209901474

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{613747}}^1$

素因数の和:613774

約数の個数: 24

約数和(自身を含む): 478723440

約数和(自身を除く): 268821966

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 613747, 1227494, 1841241, 3682482, 5523723, 11047446, 11661193, 23322386, 34983579, 69967158, 104950737, 209901474]

約数ペア:

[(1, 209901474), (2, 104950737), (3, 69967158), (6, 34983579), (9, 23322386), (18, 11661193), (19, 11047446), (38, 5523723), (57, 3682482), (114, 1841241), (171, 1227494), (342, 613747)]