18913690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 17664614

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1567, 2414, 3134, 6035, 7835, 12070, 15670, 26639, 53278, 111257, 133195, 222514, 266390, 556285, 1112570, 1891369, 3782738, 9456845, 18913690]

約数ペア:

[(1, 18913690), (2, 9456845), (5, 3782738), (10, 1891369), (17, 1112570), (34, 556285), (71, 266390), (85, 222514), (142, 133195), (170, 111257), (355, 53278), (710, 26639), (1207, 15670), (1567, 12070), (2414, 7835), (3134, 6035)]