19930145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1087}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 25328640

約数和(自身を除く): 5398495

約数列:

[1, 5, 19, 95, 193, 965, 1087, 3667, 5435, 18335, 20653, 103265, 209791, 1048955, 3986029, 19930145]

約数ペア:

[(1, 19930145), (5, 3986029), (19, 1048955), (95, 209791), (193, 103265), (965, 20653), (1087, 18335), (3667, 5435)]