18517829

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1381}}^1$

素因数の和:1468

約数の個数: 16

約数和(自身を含む): 21492864

約数和(自身を除く): 2975035

約数列:

[1, 11, 23, 53, 253, 583, 1219, 1381, 13409, 15191, 31763, 73193, 349393, 805123, 1683439, 18517829]

約数ペア:

[(1, 18517829), (11, 1683439), (23, 805123), (53, 349393), (253, 73193), (583, 31763), (1219, 15191), (1381, 13409)]