18702946

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:825

約数の個数: 16

約数和(自身を含む): 28551744

約数和(自身を除く): 9848798

約数列:

[1, 2, 103, 163, 206, 326, 557, 1114, 16789, 33578, 57371, 90791, 114742, 181582, 9351473, 18702946]

約数ペア:

[(1, 18702946), (2, 9351473), (103, 181582), (163, 114742), (206, 90791), (326, 57371), (557, 33578), (1114, 16789)]