19621878017

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1\times {\mathrm{2339}}^1$

素因数の和:3021

約数の個数: 32

約数和(自身を含む): 23544668160

約数和(自身を除く): 3922790143

約数列:

[1, 7, 31, 67, 217, 469, 577, 2077, 2339, 4039, 14539, 16373, 17887, 38659, 72509, 125209, 156713, 270613, 507563, 1096991, 1198429, 1349603, 4858103, 8389003, 9447221, 34006721, 41837693, 90423401, 292863851, 632963807, 2803125431, 19621878017]

約数ペア:

[(1, 19621878017), (7, 2803125431), (31, 632963807), (67, 292863851), (217, 90423401), (469, 41837693), (577, 34006721), (2077, 9447221), (2339, 8389003), (4039, 4858103), (14539, 1349603), (16373, 1198429), (17887, 1096991), (38659, 507563), (72509, 270613), (125209, 156713)]