2019428478

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{136651}}^1$

素因数の和:137480

約数の個数: 24

約数和(自身を含む): 4380789816

約数和(自身を除く): 2361361338

約数列:

[1, 2, 3, 6, 9, 18, 821, 1642, 2463, 4926, 7389, 14778, 136651, 273302, 409953, 819906, 1229859, 2459718, 112190471, 224380942, 336571413, 673142826, 1009714239, 2019428478]

約数ペア:

[(1, 2019428478), (2, 1009714239), (3, 673142826), (6, 336571413), (9, 224380942), (18, 112190471), (821, 2459718), (1642, 1229859), (2463, 819906), (4926, 409953), (7389, 273302), (14778, 136651)]