18827550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 59579520

約数和(自身を除く): 40751970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 43, 45, 50, 63, 70, 75, 86, 90, 105, 126, 129, 139, 150, 175, 210, 215, 225, 258, 278, 301, 315, 350, 387, 417, 430, 450, 525, 602, 630, 645, 695, 774, 834, 903, 973, 1050, 1075, 1251, 1290, 1390, 1505, 1575, 1806, 1935, 1946, 2085, 2150, 2502, 2709, 2919, 3010, 3150, 3225, 3475, 3870, 4170, 4515, 4865, 5418, 5838, 5977, 6255, 6450, 6950, 7525, 8757, 9030, 9675, 9730, 10425, 11954, 12510, 13545, 14595, 15050, 17514, 17931, 19350, 20850, 22575, 24325, 27090, 29190, 29885, 31275, 35862, 41839, 43785, 45150, 48650, 53793, 59770, 62550, 67725, 72975, 83678, 87570, 89655, 107586, 125517, 135450, 145950, 149425, 179310, 209195, 218925, 251034, 268965, 298850, 376551, 418390, 437850, 448275, 537930, 627585, 753102, 896550, 1045975, 1255170, 1344825, 1882755, 2091950, 2689650, 3137925, 3765510, 6275850, 9413775, 18827550]

約数ペア:

[(1, 18827550), (2, 9413775), (3, 6275850), (5, 3765510), (6, 3137925), (7, 2689650), (9, 2091950), (10, 1882755), (14, 1344825), (15, 1255170), (18, 1045975), (21, 896550), (25, 753102), (30, 627585), (35, 537930), (42, 448275), (43, 437850), (45, 418390), (50, 376551), (63, 298850), (70, 268965), (75, 251034), (86, 218925), (90, 209195), (105, 179310), (126, 149425), (129, 145950), (139, 135450), (150, 125517), (175, 107586), (210, 89655), (215, 87570), (225, 83678), (258, 72975), (278, 67725), (301, 62550), (315, 59770), (350, 53793), (387, 48650), (417, 45150), (430, 43785), (450, 41839), (525, 35862), (602, 31275), (630, 29885), (645, 29190), (695, 27090), (774, 24325), (834, 22575), (903, 20850), (973, 19350), (1050, 17931), (1075, 17514), (1251, 15050), (1290, 14595), (1390, 13545), (1505, 12510), (1575, 11954), (1806, 10425), (1935, 9730), (1946, 9675), (2085, 9030), (2150, 8757), (2502, 7525), (2709, 6950), (2919, 6450), (3010, 6255), (3150, 5977), (3225, 5838), (3475, 5418), (3870, 4865), (4170, 4515)]