18615828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20147}}^1$

素因数の和:20172

約数の個数: 48

約数和(自身を含む): 54157824

約数和(自身を除く): 35541996

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20147, 40294, 60441, 80588, 120882, 141029, 221617, 241764, 282058, 423087, 443234, 564116, 664851, 846174, 886468, 1329702, 1551319, 1692348, 2659404, 3102638, 4653957, 6205276, 9307914, 18615828]

約数ペア:

[(1, 18615828), (2, 9307914), (3, 6205276), (4, 4653957), (6, 3102638), (7, 2659404), (11, 1692348), (12, 1551319), (14, 1329702), (21, 886468), (22, 846174), (28, 664851), (33, 564116), (42, 443234), (44, 423087), (66, 282058), (77, 241764), (84, 221617), (132, 141029), (154, 120882), (231, 80588), (308, 60441), (462, 40294), (924, 20147)]