19406751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 32352768

約数和(自身を除く): 12946017

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1061, 1407, 2613, 3183, 6097, 7427, 13793, 18291, 22281, 41379, 71087, 96551, 213261, 289653, 497609, 924131, 1492827, 2772393, 6468917, 19406751]

約数ペア:

[(1, 19406751), (3, 6468917), (7, 2772393), (13, 1492827), (21, 924131), (39, 497609), (67, 289653), (91, 213261), (201, 96551), (273, 71087), (469, 41379), (871, 22281), (1061, 18291), (1407, 13793), (2613, 7427), (3183, 6097)]