18491118

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71671}}^1$

素因数の和:71719

約数の個数: 16

約数和(自身を含む): 37842816

約数和(自身を除く): 19351698

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 71671, 143342, 215013, 430026, 3081853, 6163706, 9245559, 18491118]

約数ペア:

[(1, 18491118), (2, 9245559), (3, 6163706), (6, 3081853), (43, 430026), (86, 215013), (129, 143342), (258, 71671)]