18695670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 51757056

約数和(自身を除く): 33061386

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 701, 762, 889, 1270, 1402, 1778, 1905, 2103, 2667, 3505, 3810, 4206, 4445, 4907, 5334, 7010, 8890, 9814, 10515, 13335, 14721, 21030, 24535, 26670, 29442, 49070, 73605, 89027, 147210, 178054, 267081, 445135, 534162, 623189, 890270, 1246378, 1335405, 1869567, 2670810, 3115945, 3739134, 6231890, 9347835, 18695670]

約数ペア:

[(1, 18695670), (2, 9347835), (3, 6231890), (5, 3739134), (6, 3115945), (7, 2670810), (10, 1869567), (14, 1335405), (15, 1246378), (21, 890270), (30, 623189), (35, 534162), (42, 445135), (70, 267081), (105, 178054), (127, 147210), (210, 89027), (254, 73605), (381, 49070), (635, 29442), (701, 26670), (762, 24535), (889, 21030), (1270, 14721), (1402, 13335), (1778, 10515), (1905, 9814), (2103, 8890), (2667, 7010), (3505, 5334), (3810, 4907), (4206, 4445)]