19940609

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3976

約数の個数: 16

約数和(自身を含む): 23732352

約数和(自身を除く): 3791743

約数列:

[1, 13, 17, 23, 221, 299, 391, 3923, 5083, 50999, 66691, 90229, 866983, 1172977, 1533893, 19940609]

約数ペア:

[(1, 19940609), (13, 1533893), (17, 1172977), (23, 866983), (221, 90229), (299, 66691), (391, 50999), (3923, 5083)]