18442956470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1\times {\mathrm{10429}}^1$

素因数の和:12512

約数の個数: 32

約数和(自身を含む): 33590440800

約数和(自身を除く): 15147484330

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1987, 3974, 9935, 10429, 19870, 20858, 52145, 104290, 176843, 353686, 884215, 928181, 1768430, 1856362, 4640905, 9281810, 20722423, 41444846, 103612115, 207224230, 1844295647, 3688591294, 9221478235, 18442956470]

約数ペア:

[(1, 18442956470), (2, 9221478235), (5, 3688591294), (10, 1844295647), (89, 207224230), (178, 103612115), (445, 41444846), (890, 20722423), (1987, 9281810), (3974, 4640905), (9935, 1856362), (10429, 1768430), (19870, 928181), (20858, 884215), (52145, 353686), (104290, 176843)]