18854210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 35069760

約数和(自身を除く): 16215550

約数列:

[1, 2, 5, 10, 43, 86, 163, 215, 269, 326, 430, 538, 815, 1345, 1630, 2690, 7009, 11567, 14018, 23134, 35045, 43847, 57835, 70090, 87694, 115670, 219235, 438470, 1885421, 3770842, 9427105, 18854210]

約数ペア:

[(1, 18854210), (2, 9427105), (5, 3770842), (10, 1885421), (43, 438470), (86, 219235), (163, 115670), (215, 87694), (269, 70090), (326, 57835), (430, 43847), (538, 35045), (815, 23134), (1345, 14018), (1630, 11567), (2690, 7009)]