18355945

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 22468608

約数和(自身を除く): 4112663

約数列:

[1, 5, 127, 137, 211, 635, 685, 1055, 17399, 26797, 28907, 86995, 133985, 144535, 3671189, 18355945]

約数ペア:

[(1, 18355945), (5, 3671189), (127, 144535), (137, 133985), (211, 86995), (635, 28907), (685, 26797), (1055, 17399)]