18647778

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4421}}^1$

素因数の和:4482

約数の個数: 32

約数和(自身を含む): 40328640

約数和(自身を除く): 21680862

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 222, 703, 1406, 2109, 4218, 4421, 8842, 13263, 26526, 83999, 163577, 167998, 251997, 327154, 490731, 503994, 981462, 3107963, 6215926, 9323889, 18647778]

約数ペア:

[(1, 18647778), (2, 9323889), (3, 6215926), (6, 3107963), (19, 981462), (37, 503994), (38, 490731), (57, 327154), (74, 251997), (111, 167998), (114, 163577), (222, 83999), (703, 26526), (1406, 13263), (2109, 8842), (4218, 4421)]