18387455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1579}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 23548320

約数和(自身を除く): 5160865

約数列:

[1, 5, 17, 85, 137, 685, 1579, 2329, 7895, 11645, 26843, 134215, 216323, 1081615, 3677491, 18387455]

約数ペア:

[(1, 18387455), (5, 3677491), (17, 1081615), (85, 216323), (137, 134215), (685, 26843), (1579, 11645), (2329, 7895)]