2019909315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{255523}}^1$

素因数の和:255579

約数の個数: 32

約数和(自身を含む): 3532363776

約数和(自身を除く): 1512454461

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 255523, 766569, 1277615, 3832845, 4343891, 7921213, 13031673, 21719455, 23763639, 39606065, 65158365, 118818195, 134660621, 403981863, 673303105, 2019909315]

約数ペア:

[(1, 2019909315), (3, 673303105), (5, 403981863), (15, 134660621), (17, 118818195), (31, 65158365), (51, 39606065), (85, 23763639), (93, 21719455), (155, 13031673), (255, 7921213), (465, 4343891), (527, 3832845), (1581, 1277615), (2635, 766569), (7905, 255523)]