18935710

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11617}}^1$

素因数の和:11787

約数の個数: 16

約数和(自身を含む): 34296336

約数和(自身を除く): 15360626

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 11617, 23234, 58085, 116170, 1893571, 3787142, 9467855, 18935710]

約数ペア:

[(1, 18935710), (2, 9467855), (5, 3787142), (10, 1893571), (163, 116170), (326, 58085), (815, 23234), (1630, 11617)]