19699496912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72424621}}^1$

素因数の和:72424646

約数の個数: 20

約数和(自身を含む): 40412939076

約数和(自身を除く): 20713442164

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72424621, 144849242, 289698484, 579396968, 1158793936, 1231218557, 2462437114, 4924874228, 9849748456, 19699496912]

約数ペア:

[(1, 19699496912), (2, 9849748456), (4, 4924874228), (8, 2462437114), (16, 1231218557), (17, 1158793936), (34, 579396968), (68, 289698484), (136, 144849242), (272, 72424621)]