18640909918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{21613}}^1\times {\mathrm{22697}}^1$

素因数の和:44331

約数の個数: 16

約数和(自身を含む): 29435674320

約数和(自身を除く): 10794764402

約数列:

[1, 2, 19, 38, 21613, 22697, 43226, 45394, 410647, 431243, 821294, 862486, 490550261, 981100522, 9320454959, 18640909918]

約数ペア:

[(1, 18640909918), (2, 9320454959), (19, 981100522), (38, 490550261), (21613, 862486), (22697, 821294), (43226, 431243), (45394, 410647)]