18269526

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 26209194

約数列:

[1, 2, 3, 6, 11, 17, 19, 22, 33, 34, 38, 51, 57, 66, 102, 114, 187, 209, 323, 374, 418, 561, 627, 646, 857, 969, 1122, 1254, 1714, 1938, 2571, 3553, 5142, 7106, 9427, 10659, 14569, 16283, 18854, 21318, 28281, 29138, 32566, 43707, 48849, 56562, 87414, 97698, 160259, 179113, 276811, 320518, 358226, 480777, 537339, 553622, 830433, 961554, 1074678, 1660866, 3044921, 6089842, 9134763, 18269526]

約数ペア:

[(1, 18269526), (2, 9134763), (3, 6089842), (6, 3044921), (11, 1660866), (17, 1074678), (19, 961554), (22, 830433), (33, 553622), (34, 537339), (38, 480777), (51, 358226), (57, 320518), (66, 276811), (102, 179113), (114, 160259), (187, 97698), (209, 87414), (323, 56562), (374, 48849), (418, 43707), (561, 32566), (627, 29138), (646, 28281), (857, 21318), (969, 18854), (1122, 16283), (1254, 14569), (1714, 10659), (1938, 9427), (2571, 7106), (3553, 5142)]