18390560

素因数分解:

$2^5\times 5^1\times {\mathrm{114941}}^1$

素因数の和:114956

約数の個数: 24

約数和(自身を含む): 43448076

約数和(自身を除く): 25057516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 114941, 229882, 459764, 574705, 919528, 1149410, 1839056, 2298820, 3678112, 4597640, 9195280, 18390560]

約数ペア:

[(1, 18390560), (2, 9195280), (4, 4597640), (5, 3678112), (8, 2298820), (10, 1839056), (16, 1149410), (20, 919528), (32, 574705), (40, 459764), (80, 229882), (160, 114941)]