19993359320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{6173}}^1$

素因数の和:6645

約数の個数: 128

約数和(自身を含む): 52089791040

約数和(自身を除く): 32096431720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 433, 440, 680, 748, 866, 935, 1496, 1732, 1870, 2165, 3464, 3740, 4330, 4763, 6173, 7361, 7480, 8660, 9526, 12346, 14722, 17320, 19052, 23815, 24692, 29444, 30865, 36805, 38104, 47630, 49384, 58888, 61730, 67903, 73610, 80971, 95260, 104941, 123460, 135806, 147220, 161942, 190520, 209882, 246920, 271612, 294440, 323884, 339515, 404855, 419764, 524705, 543224, 647768, 679030, 809710, 839528, 1049410, 1154351, 1358060, 1619420, 2098820, 2308702, 2672909, 2716120, 3238840, 4197640, 4617404, 5345818, 5771755, 9234808, 10691636, 11543510, 13364545, 21383272, 23087020, 26729090, 29401999, 45439453, 46174040, 53458180, 58803998, 90878906, 106916360, 117607996, 147009995, 181757812, 227197265, 235215992, 294019990, 363515624, 454394530, 499833983, 588039980, 908789060, 999667966, 1176079960, 1817578120, 1999335932, 2499169915, 3998671864, 4998339830, 9996679660, 19993359320]

約数ペア:

[(1, 19993359320), (2, 9996679660), (4, 4998339830), (5, 3998671864), (8, 2499169915), (10, 1999335932), (11, 1817578120), (17, 1176079960), (20, 999667966), (22, 908789060), (34, 588039980), (40, 499833983), (44, 454394530), (55, 363515624), (68, 294019990), (85, 235215992), (88, 227197265), (110, 181757812), (136, 147009995), (170, 117607996), (187, 106916360), (220, 90878906), (340, 58803998), (374, 53458180), (433, 46174040), (440, 45439453), (680, 29401999), (748, 26729090), (866, 23087020), (935, 21383272), (1496, 13364545), (1732, 11543510), (1870, 10691636), (2165, 9234808), (3464, 5771755), (3740, 5345818), (4330, 4617404), (4763, 4197640), (6173, 3238840), (7361, 2716120), (7480, 2672909), (8660, 2308702), (9526, 2098820), (12346, 1619420), (14722, 1358060), (17320, 1154351), (19052, 1049410), (23815, 839528), (24692, 809710), (29444, 679030), (30865, 647768), (36805, 543224), (38104, 524705), (47630, 419764), (49384, 404855), (58888, 339515), (61730, 323884), (67903, 294440), (73610, 271612), (80971, 246920), (95260, 209882), (104941, 190520), (123460, 161942), (135806, 147220)]