18899828

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 34003200

約数和(自身を除く): 15103372

約数列:

[1, 2, 4, 47, 94, 188, 229, 439, 458, 878, 916, 1756, 10763, 20633, 21526, 41266, 43052, 82532, 100531, 201062, 402124, 4724957, 9449914, 18899828]

約数ペア:

[(1, 18899828), (2, 9449914), (4, 4724957), (47, 402124), (94, 201062), (188, 100531), (229, 82532), (439, 43052), (458, 41266), (878, 21526), (916, 20633), (1756, 10763)]