18201193640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{48187}}^1$

素因数の和:48295

約数の個数: 128

約数和(自身を含む): 49961318400

約数和(自身を除く): 31760124760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 266, 280, 284, 355, 380, 497, 532, 568, 665, 710, 760, 994, 1064, 1330, 1349, 1420, 1988, 2485, 2660, 2698, 2840, 3976, 4970, 5320, 5396, 6745, 9443, 9940, 10792, 13490, 18886, 19880, 26980, 37772, 47215, 48187, 53960, 75544, 94430, 96374, 188860, 192748, 240935, 337309, 377720, 385496, 481870, 674618, 915553, 963740, 1349236, 1686545, 1831106, 1927480, 2698472, 3373090, 3421277, 3662212, 4577765, 6408871, 6746180, 6842554, 7324424, 9155530, 12817742, 13492360, 13685108, 17106385, 18311060, 23948939, 25635484, 27370216, 32044355, 34212770, 36622120, 47897878, 51270968, 64088710, 65004263, 68425540, 95795756, 119744695, 128177420, 130008526, 136851080, 191591512, 239489390, 256354840, 260017052, 325021315, 455029841, 478978780, 520034104, 650042630, 910059682, 957957560, 1300085260, 1820119364, 2275149205, 2600170520, 3640238728, 4550298410, 9100596820, 18201193640]

約数ペア:

[(1, 18201193640), (2, 9100596820), (4, 4550298410), (5, 3640238728), (7, 2600170520), (8, 2275149205), (10, 1820119364), (14, 1300085260), (19, 957957560), (20, 910059682), (28, 650042630), (35, 520034104), (38, 478978780), (40, 455029841), (56, 325021315), (70, 260017052), (71, 256354840), (76, 239489390), (95, 191591512), (133, 136851080), (140, 130008526), (142, 128177420), (152, 119744695), (190, 95795756), (266, 68425540), (280, 65004263), (284, 64088710), (355, 51270968), (380, 47897878), (497, 36622120), (532, 34212770), (568, 32044355), (665, 27370216), (710, 25635484), (760, 23948939), (994, 18311060), (1064, 17106385), (1330, 13685108), (1349, 13492360), (1420, 12817742), (1988, 9155530), (2485, 7324424), (2660, 6842554), (2698, 6746180), (2840, 6408871), (3976, 4577765), (4970, 3662212), (5320, 3421277), (5396, 3373090), (6745, 2698472), (9443, 1927480), (9940, 1831106), (10792, 1686545), (13490, 1349236), (18886, 963740), (19880, 915553), (26980, 674618), (37772, 481870), (47215, 385496), (48187, 377720), (53960, 337309), (75544, 240935), (94430, 192748), (96374, 188860)]