19551569156

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{42989}}^1$

素因数の和:43476

約数の個数: 48

約数和(自身を含む): 40252396800

約数和(自身を除く): 20700827644

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 439, 518, 878, 1036, 1756, 3073, 6146, 12292, 16243, 32486, 42989, 64972, 85978, 113701, 171956, 227402, 300923, 454804, 601846, 1203692, 1590593, 3181186, 6362372, 11134151, 18872171, 22268302, 37744342, 44536604, 75488684, 132105197, 264210394, 528420788, 698270327, 1396540654, 2793081308, 4887892289, 9775784578, 19551569156]

約数ペア:

[(1, 19551569156), (2, 9775784578), (4, 4887892289), (7, 2793081308), (14, 1396540654), (28, 698270327), (37, 528420788), (74, 264210394), (148, 132105197), (259, 75488684), (439, 44536604), (518, 37744342), (878, 22268302), (1036, 18872171), (1756, 11134151), (3073, 6362372), (6146, 3181186), (12292, 1590593), (16243, 1203692), (32486, 601846), (42989, 454804), (64972, 300923), (85978, 227402), (113701, 171956)]