2018666888

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{507713}}^1$

素因数の和:507797

約数の個数: 32

約数和(自身を含む): 4386648960

約数和(自身を除く): 2367982072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 507713, 1015426, 2030852, 3553991, 4061704, 7107982, 14215964, 28431928, 36047623, 72095246, 144190492, 252333361, 288380984, 504666722, 1009333444, 2018666888]

約数ペア:

[(1, 2018666888), (2, 1009333444), (4, 504666722), (7, 288380984), (8, 252333361), (14, 144190492), (28, 72095246), (56, 36047623), (71, 28431928), (142, 14215964), (284, 7107982), (497, 4061704), (568, 3553991), (994, 2030852), (1988, 1015426), (3976, 507713)]