2019900464

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{292909}}^1$

素因数の和:293348

約数の個数: 20

約数和(自身を含む): 3922650720

約数和(自身を除く): 1902750256

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 292909, 585818, 1171636, 2343272, 4686544, 126243779, 252487558, 504975116, 1009950232, 2019900464]

約数ペア:

[(1, 2019900464), (2, 1009950232), (4, 504975116), (8, 252487558), (16, 126243779), (431, 4686544), (862, 2343272), (1724, 1171636), (3448, 585818), (6896, 292909)]