19581416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{143981}}^1$

素因数の和:144004

約数の個数: 16

約数和(自身を含む): 38875140

約数和(自身を除く): 19293724

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 143981, 287962, 575924, 1151848, 2447677, 4895354, 9790708, 19581416]

約数ペア:

[(1, 19581416), (2, 9790708), (4, 4895354), (8, 2447677), (17, 1151848), (34, 575924), (68, 287962), (136, 143981)]