18381838

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1131

約数の個数: 16

約数和(自身を含む): 28185120

約数和(自身を除く): 9803282

約数列:

[1, 2, 73, 137, 146, 274, 919, 1838, 10001, 20002, 67087, 125903, 134174, 251806, 9190919, 18381838]

約数ペア:

[(1, 18381838), (2, 9190919), (73, 251806), (137, 134174), (146, 125903), (274, 67087), (919, 20002), (1838, 10001)]