18197485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 22919040

約数和(自身を除く): 4721555

約数列:

[1, 5, 23, 115, 229, 691, 1145, 3455, 5267, 15893, 26335, 79465, 158239, 791195, 3639497, 18197485]

約数ペア:

[(1, 18197485), (5, 3639497), (23, 791195), (115, 158239), (229, 79465), (691, 26335), (1145, 15893), (3455, 5267)]