18891569260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:744

約数の個数: 192

約数和(自身を含む): 45055954944

約数和(自身を除く): 26164385684

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 43, 62, 68, 73, 85, 86, 124, 146, 155, 170, 172, 215, 292, 310, 340, 365, 430, 527, 571, 620, 730, 731, 860, 1054, 1142, 1241, 1333, 1460, 1462, 2108, 2263, 2284, 2482, 2635, 2666, 2855, 2924, 3139, 3655, 4526, 4964, 5270, 5332, 5710, 6205, 6278, 6665, 7310, 9052, 9707, 10540, 11315, 11420, 12410, 12556, 13330, 14620, 15695, 17701, 19414, 22630, 22661, 24553, 24820, 26660, 31390, 35402, 38471, 38828, 41683, 45260, 45322, 48535, 49106, 53363, 62780, 70804, 76942, 83366, 88505, 90644, 97070, 97309, 98212, 106726, 113305, 122765, 153884, 166732, 177010, 192355, 194140, 194618, 208415, 213452, 226610, 245530, 266815, 300917, 354020, 384710, 389236, 416830, 417401, 453220, 486545, 491060, 533630, 601834, 708611, 761143, 769420, 833660, 834802, 973090, 1067260, 1203668, 1292173, 1417222, 1504585, 1522286, 1654253, 1669604, 1792369, 1946180, 2087005, 2584346, 2834444, 3009170, 3044572, 3308506, 3543055, 3584738, 3805715, 4174010, 5168692, 6018340, 6460865, 6617012, 7086110, 7169476, 7611430, 8271265, 8348020, 8961845, 12921730, 12939431, 14172220, 15222860, 16542530, 17923690, 21966941, 25843460, 25878862, 30470273, 33085060, 35847380, 43933882, 51757724, 55563439, 60940546, 64697155, 87867764, 109834705, 111126878, 121881092, 129394310, 152351365, 219669410, 222253756, 258788620, 277817195, 304702730, 439338820, 555634390, 609405460, 944578463, 1111268780, 1889156926, 3778313852, 4722892315, 9445784630, 18891569260]

約数ペア:

[(1, 18891569260), (2, 9445784630), (4, 4722892315), (5, 3778313852), (10, 1889156926), (17, 1111268780), (20, 944578463), (31, 609405460), (34, 555634390), (43, 439338820), (62, 304702730), (68, 277817195), (73, 258788620), (85, 222253756), (86, 219669410), (124, 152351365), (146, 129394310), (155, 121881092), (170, 111126878), (172, 109834705), (215, 87867764), (292, 64697155), (310, 60940546), (340, 55563439), (365, 51757724), (430, 43933882), (527, 35847380), (571, 33085060), (620, 30470273), (730, 25878862), (731, 25843460), (860, 21966941), (1054, 17923690), (1142, 16542530), (1241, 15222860), (1333, 14172220), (1460, 12939431), (1462, 12921730), (2108, 8961845), (2263, 8348020), (2284, 8271265), (2482, 7611430), (2635, 7169476), (2666, 7086110), (2855, 6617012), (2924, 6460865), (3139, 6018340), (3655, 5168692), (4526, 4174010), (4964, 3805715), (5270, 3584738), (5332, 3543055), (5710, 3308506), (6205, 3044572), (6278, 3009170), (6665, 2834444), (7310, 2584346), (9052, 2087005), (9707, 1946180), (10540, 1792369), (11315, 1669604), (11420, 1654253), (12410, 1522286), (12556, 1504585), (13330, 1417222), (14620, 1292173), (15695, 1203668), (17701, 1067260), (19414, 973090), (22630, 834802), (22661, 833660), (24553, 769420), (24820, 761143), (26660, 708611), (31390, 601834), (35402, 533630), (38471, 491060), (38828, 486545), (41683, 453220), (45260, 417401), (45322, 416830), (48535, 389236), (49106, 384710), (53363, 354020), (62780, 300917), (70804, 266815), (76942, 245530), (83366, 226610), (88505, 213452), (90644, 208415), (97070, 194618), (97309, 194140), (98212, 192355), (106726, 177010), (113305, 166732), (122765, 153884)]