2019025005

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{209987}}^1$

素因数の和:210636

約数の個数: 16

約数和(自身を含む): 3235495104

約数和(自身を除く): 1216470099

約数列:

[1, 3, 5, 15, 641, 1923, 3205, 9615, 209987, 629961, 1049935, 3149805, 134601667, 403805001, 673008335, 2019025005]

約数ペア:

[(1, 2019025005), (3, 673008335), (5, 403805001), (15, 134601667), (641, 3149805), (1923, 1049935), (3205, 629961), (9615, 209987)]