5511578786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20720221}}^1$

素因数の和:20720249

約数の個数: 16

約数和(自身を含む): 9945706560

約数和(自身を除く): 4434127774

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 20720221, 41440442, 145041547, 290083094, 393684199, 787368398, 2755789393, 5511578786]

約数ペア:

[(1, 5511578786), (2, 2755789393), (7, 787368398), (14, 393684199), (19, 290083094), (38, 145041547), (133, 41440442), (266, 20720221)]