18653360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 49871808

約数和(自身を除く): 31218448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 47, 55, 80, 82, 88, 94, 110, 121, 164, 176, 188, 205, 220, 235, 242, 328, 376, 410, 440, 451, 470, 484, 517, 605, 656, 752, 820, 880, 902, 940, 968, 1034, 1210, 1640, 1804, 1880, 1927, 1936, 2068, 2255, 2420, 2585, 3280, 3608, 3760, 3854, 4136, 4510, 4840, 4961, 5170, 5687, 7216, 7708, 8272, 9020, 9635, 9680, 9922, 10340, 11374, 15416, 18040, 19270, 19844, 20680, 21197, 22748, 24805, 28435, 30832, 36080, 38540, 39688, 41360, 42394, 45496, 49610, 56870, 77080, 79376, 84788, 90992, 99220, 105985, 113740, 154160, 169576, 198440, 211970, 227480, 233167, 339152, 396880, 423940, 454960, 466334, 847880, 932668, 1165835, 1695760, 1865336, 2331670, 3730672, 4663340, 9326680, 18653360]

約数ペア:

[(1, 18653360), (2, 9326680), (4, 4663340), (5, 3730672), (8, 2331670), (10, 1865336), (11, 1695760), (16, 1165835), (20, 932668), (22, 847880), (40, 466334), (41, 454960), (44, 423940), (47, 396880), (55, 339152), (80, 233167), (82, 227480), (88, 211970), (94, 198440), (110, 169576), (121, 154160), (164, 113740), (176, 105985), (188, 99220), (205, 90992), (220, 84788), (235, 79376), (242, 77080), (328, 56870), (376, 49610), (410, 45496), (440, 42394), (451, 41360), (470, 39688), (484, 38540), (517, 36080), (605, 30832), (656, 28435), (752, 24805), (820, 22748), (880, 21197), (902, 20680), (940, 19844), (968, 19270), (1034, 18040), (1210, 15416), (1640, 11374), (1804, 10340), (1880, 9922), (1927, 9680), (1936, 9635), (2068, 9020), (2255, 8272), (2420, 7708), (2585, 7216), (3280, 5687), (3608, 5170), (3760, 4961), (3854, 4840), (4136, 4510)]