19813852

素因数分解:

$2^2\times {\mathrm{59}}^2\times {\mathrm{1423}}^1$

素因数の和:1545

約数の個数: 18

約数和(自身を含む): 35296688

約数和(自身を除く): 15482836

約数列:

[1, 2, 4, 59, 118, 236, 1423, 2846, 3481, 5692, 6962, 13924, 83957, 167914, 335828, 4953463, 9906926, 19813852]

約数ペア:

[(1, 19813852), (2, 9906926), (4, 4953463), (59, 335828), (118, 167914), (236, 83957), (1423, 13924), (2846, 6962), (3481, 5692)]