19473025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 36

約数和(自身を含む): 28591920

約数和(自身を除く): 9118895

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 419, 715, 845, 1859, 2095, 3575, 4225, 4609, 5447, 9295, 10475, 23045, 27235, 46475, 59917, 70811, 115225, 136175, 299585, 354055, 778921, 1497925, 1770275, 3894605, 19473025]

約数ペア:

[(1, 19473025), (5, 3894605), (11, 1770275), (13, 1497925), (25, 778921), (55, 354055), (65, 299585), (143, 136175), (169, 115225), (275, 70811), (325, 59917), (419, 46475), (715, 27235), (845, 23045), (1859, 10475), (2095, 9295), (3575, 5447), (4225, 4609)]