2019979563

素因数分解:

$3^1\times 7^1\times {\mathrm{4273}}^1\times {\mathrm{22511}}^1$

素因数の和:26794

約数の個数: 16

約数和(自身を含む): 3078921216

約数和(自身を除く): 1058941653

約数列:

[1, 3, 7, 21, 4273, 12819, 22511, 29911, 67533, 89733, 157577, 472731, 96189503, 288568509, 673326521, 2019979563]

約数ペア:

[(1, 2019979563), (3, 673326521), (7, 288568509), (21, 96189503), (4273, 472731), (12819, 157577), (22511, 89733), (29911, 67533)]