19505245

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 23905728

約数和(自身を除く): 4400483

約数列:

[1, 5, 97, 131, 307, 485, 655, 1535, 12707, 29779, 40217, 63535, 148895, 201085, 3901049, 19505245]

約数ペア:

[(1, 19505245), (5, 3901049), (97, 201085), (131, 148895), (307, 63535), (485, 40217), (655, 29779), (1535, 12707)]