18281816

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10531}}^1$

素因数の和:10575

約数の個数: 32

約数和(自身を含む): 40442880

約数和(自身を除く): 22161064

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 10531, 21062, 42124, 73717, 84248, 147434, 294868, 326461, 589736, 652922, 1305844, 2285227, 2611688, 4570454, 9140908, 18281816]

約数ペア:

[(1, 18281816), (2, 9140908), (4, 4570454), (7, 2611688), (8, 2285227), (14, 1305844), (28, 652922), (31, 589736), (56, 326461), (62, 294868), (124, 147434), (217, 84248), (248, 73717), (434, 42124), (868, 21062), (1736, 10531)]