18407948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4481}}^1$

素因数の和:4577

約数の個数: 24

約数和(自身を含む): 35138880

約数和(自身を除く): 16730932

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4481, 8962, 17924, 58253, 116506, 233012, 353999, 707998, 1415996, 4601987, 9203974, 18407948]

約数ペア:

[(1, 18407948), (2, 9203974), (4, 4601987), (13, 1415996), (26, 707998), (52, 353999), (79, 233012), (158, 116506), (316, 58253), (1027, 17924), (2054, 8962), (4108, 4481)]