19139804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 15716836

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 316, 1637, 2923, 3274, 5846, 6548, 11692, 60569, 121138, 129323, 242276, 258646, 517292, 4784951, 9569902, 19139804]

約数ペア:

[(1, 19139804), (2, 9569902), (4, 4784951), (37, 517292), (74, 258646), (79, 242276), (148, 129323), (158, 121138), (316, 60569), (1637, 11692), (2923, 6548), (3274, 5846)]