18864758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45131}}^1$

素因数の和:45163

約数の個数: 16

約数和(自身を含む): 32495040

約数和(自身を除く): 13630282

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 45131, 90262, 496441, 857489, 992882, 1714978, 9432379, 18864758]

約数ペア:

[(1, 18864758), (2, 9432379), (11, 1714978), (19, 992882), (22, 857489), (38, 496441), (209, 90262), (418, 45131)]