19388200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7486

約数の個数: 48

約数和(自身を含む): 48551580

約数和(自身を除く): 29163380

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7457, 14914, 29828, 37285, 59656, 74570, 96941, 149140, 186425, 193882, 298280, 372850, 387764, 484705, 745700, 775528, 969410, 1491400, 1938820, 2423525, 3877640, 4847050, 9694100, 19388200]

約数ペア:

[(1, 19388200), (2, 9694100), (4, 4847050), (5, 3877640), (8, 2423525), (10, 1938820), (13, 1491400), (20, 969410), (25, 775528), (26, 745700), (40, 484705), (50, 387764), (52, 372850), (65, 298280), (100, 193882), (104, 186425), (130, 149140), (200, 96941), (260, 74570), (325, 59656), (520, 37285), (650, 29828), (1300, 14914), (2600, 7457)]