18811862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3779}}^1$

素因数の和:3931

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 11125738

約数列:

[1, 2, 19, 38, 131, 262, 2489, 3779, 4978, 7558, 71801, 143602, 495049, 990098, 9405931, 18811862]

約数ペア:

[(1, 18811862), (2, 9405931), (19, 990098), (38, 495049), (131, 143602), (262, 71801), (2489, 7558), (3779, 4978)]