18382760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 27884440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1019, 1640, 1804, 2038, 2255, 3608, 4076, 4510, 5095, 8152, 9020, 10190, 11209, 18040, 20380, 22418, 40760, 41779, 44836, 56045, 83558, 89672, 112090, 167116, 208895, 224180, 334232, 417790, 448360, 459569, 835580, 919138, 1671160, 1838276, 2297845, 3676552, 4595690, 9191380, 18382760]

約数ペア:

[(1, 18382760), (2, 9191380), (4, 4595690), (5, 3676552), (8, 2297845), (10, 1838276), (11, 1671160), (20, 919138), (22, 835580), (40, 459569), (41, 448360), (44, 417790), (55, 334232), (82, 224180), (88, 208895), (110, 167116), (164, 112090), (205, 89672), (220, 83558), (328, 56045), (410, 44836), (440, 41779), (451, 40760), (820, 22418), (902, 20380), (1019, 18040), (1640, 11209), (1804, 10190), (2038, 9020), (2255, 8152), (3608, 5095), (4076, 4510)]