19645700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2767}}^1$

素因数の和:2852

約数の個数: 36

約数和(自身を含む): 43247232

約数和(自身を除く): 23601532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2767, 3550, 5534, 7100, 11068, 13835, 27670, 55340, 69175, 138350, 196457, 276700, 392914, 785828, 982285, 1964570, 3929140, 4911425, 9822850, 19645700]

約数ペア:

[(1, 19645700), (2, 9822850), (4, 4911425), (5, 3929140), (10, 1964570), (20, 982285), (25, 785828), (50, 392914), (71, 276700), (100, 196457), (142, 138350), (284, 69175), (355, 55340), (710, 27670), (1420, 13835), (1775, 11068), (2767, 7100), (3550, 5534)]