18791282

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 28690200

約数和(自身を除く): 9898918

約数列:

[1, 2, 89, 178, 229, 458, 461, 922, 20381, 40762, 41029, 82058, 105569, 211138, 9395641, 18791282]

約数ペア:

[(1, 18791282), (2, 9395641), (89, 211138), (178, 105569), (229, 82058), (458, 41029), (461, 40762), (922, 20381)]