18302138

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 27945000

約数和(自身を除く): 9642862

約数列:

[1, 2, 89, 178, 229, 449, 458, 898, 20381, 39961, 40762, 79922, 102821, 205642, 9151069, 18302138]

約数ペア:

[(1, 18302138), (2, 9151069), (89, 205642), (178, 102821), (229, 79922), (449, 40762), (458, 39961), (898, 20381)]