19968081129

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{394993}}^1$

素因数の和:395177

約数の個数: 24

約数和(自身を含む): 29762007912

約数和(自身を除く): 9793926783

約数列:

[1, 3, 9, 41, 123, 137, 369, 411, 1233, 5617, 16851, 50553, 394993, 1184979, 3554937, 16194713, 48584139, 54114041, 145752417, 162342123, 487026369, 2218675681, 6656027043, 19968081129]

約数ペア:

[(1, 19968081129), (3, 6656027043), (9, 2218675681), (41, 487026369), (123, 162342123), (137, 145752417), (369, 54114041), (411, 48584139), (1233, 16194713), (5617, 3554937), (16851, 1184979), (50553, 394993)]