18338702920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5803387}}^1$

素因数の和:5803477

約数の個数: 32

約数和(自身を含む): 41784393600

約数和(自身を除く): 23445690680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5803387, 11606774, 23213548, 29016935, 46427096, 58033870, 116067740, 232135480, 458467573, 916935146, 1833870292, 2292337865, 3667740584, 4584675730, 9169351460, 18338702920]

約数ペア:

[(1, 18338702920), (2, 9169351460), (4, 4584675730), (5, 3667740584), (8, 2292337865), (10, 1833870292), (20, 916935146), (40, 458467573), (79, 232135480), (158, 116067740), (316, 58033870), (395, 46427096), (632, 29016935), (790, 23213548), (1580, 11606774), (3160, 5803387)]