19155039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 27141120

約数和(自身を除く): 7986081

約数列:

[1, 3, 17, 51, 379, 991, 1137, 2973, 6443, 16847, 19329, 50541, 375589, 1126767, 6385013, 19155039]

約数ペア:

[(1, 19155039), (3, 6385013), (17, 1126767), (51, 375589), (379, 50541), (991, 19329), (1137, 16847), (2973, 6443)]