18505948

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 33037200

約数和(自身を除く): 14531252

約数列:

[1, 2, 4, 89, 178, 227, 229, 356, 454, 458, 908, 916, 20203, 20381, 40406, 40762, 51983, 80812, 81524, 103966, 207932, 4626487, 9252974, 18505948]

約数ペア:

[(1, 18505948), (2, 9252974), (4, 4626487), (89, 207932), (178, 103966), (227, 81524), (229, 80812), (356, 51983), (454, 40762), (458, 40406), (908, 20381), (916, 20203)]