18982120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6007}}^1$

素因数の和:6097

約数の個数: 32

約数和(自身を含む): 43257600

約数和(自身を除く): 24275480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6007, 12014, 24028, 30035, 48056, 60070, 120140, 240280, 474553, 949106, 1898212, 2372765, 3796424, 4745530, 9491060, 18982120]

約数ペア:

[(1, 18982120), (2, 9491060), (4, 4745530), (5, 3796424), (8, 2372765), (10, 1898212), (20, 949106), (40, 474553), (79, 240280), (158, 120140), (316, 60070), (395, 48056), (632, 30035), (790, 24028), (1580, 12014), (3160, 6007)]