15420476

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 29123640

約数和(自身を除く): 13703164

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 181, 236, 361, 362, 722, 724, 1121, 1444, 2242, 3439, 4484, 6878, 10679, 13756, 21299, 21358, 42598, 42716, 65341, 85196, 130682, 202901, 261364, 405802, 811604, 3855119, 7710238, 15420476]

約数ペア:

[(1, 15420476), (2, 7710238), (4, 3855119), (19, 811604), (38, 405802), (59, 261364), (76, 202901), (118, 130682), (181, 85196), (236, 65341), (361, 42716), (362, 42598), (722, 21358), (724, 21299), (1121, 13756), (1444, 10679), (2242, 6878), (3439, 4484)]