18253528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 38556000

約数和(自身を除く): 20302472

約数列:

[1, 2, 4, 8, 19, 29, 38, 41, 58, 76, 82, 101, 116, 152, 164, 202, 232, 328, 404, 551, 779, 808, 1102, 1189, 1558, 1919, 2204, 2378, 2929, 3116, 3838, 4141, 4408, 4756, 5858, 6232, 7676, 8282, 9512, 11716, 15352, 16564, 22591, 23432, 33128, 45182, 55651, 78679, 90364, 111302, 120089, 157358, 180728, 222604, 240178, 314716, 445208, 480356, 629432, 960712, 2281691, 4563382, 9126764, 18253528]

約数ペア:

[(1, 18253528), (2, 9126764), (4, 4563382), (8, 2281691), (19, 960712), (29, 629432), (38, 480356), (41, 445208), (58, 314716), (76, 240178), (82, 222604), (101, 180728), (116, 157358), (152, 120089), (164, 111302), (202, 90364), (232, 78679), (328, 55651), (404, 45182), (551, 33128), (779, 23432), (808, 22591), (1102, 16564), (1189, 15352), (1558, 11716), (1919, 9512), (2204, 8282), (2378, 7676), (2929, 6232), (3116, 5858), (3838, 4756), (4141, 4408)]