18522416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 24331984

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 38, 44, 58, 76, 88, 116, 152, 176, 191, 209, 232, 304, 319, 382, 418, 464, 551, 638, 764, 836, 1102, 1276, 1528, 1672, 2101, 2204, 2552, 3056, 3344, 3629, 4202, 4408, 5104, 5539, 6061, 7258, 8404, 8816, 11078, 12122, 14516, 16808, 22156, 24244, 29032, 33616, 39919, 44312, 48488, 58064, 60929, 79838, 88624, 96976, 105241, 121858, 159676, 210482, 243716, 319352, 420964, 487432, 638704, 841928, 974864, 1157651, 1683856, 2315302, 4630604, 9261208, 18522416]

約数ペア:

[(1, 18522416), (2, 9261208), (4, 4630604), (8, 2315302), (11, 1683856), (16, 1157651), (19, 974864), (22, 841928), (29, 638704), (38, 487432), (44, 420964), (58, 319352), (76, 243716), (88, 210482), (116, 159676), (152, 121858), (176, 105241), (191, 96976), (209, 88624), (232, 79838), (304, 60929), (319, 58064), (382, 48488), (418, 44312), (464, 39919), (551, 33616), (638, 29032), (764, 24244), (836, 22156), (1102, 16808), (1276, 14516), (1528, 12122), (1672, 11078), (2101, 8816), (2204, 8404), (2552, 7258), (3056, 6061), (3344, 5539), (3629, 5104), (4202, 4408)]