18565360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 50706576

約数和(自身を除く): 32141216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 73, 80, 85, 88, 110, 136, 146, 170, 176, 187, 220, 272, 289, 292, 340, 365, 374, 440, 578, 584, 680, 730, 748, 803, 880, 935, 1156, 1168, 1241, 1360, 1445, 1460, 1496, 1606, 1870, 2312, 2482, 2890, 2920, 2992, 3179, 3212, 3740, 4015, 4624, 4964, 5780, 5840, 6205, 6358, 6424, 7480, 8030, 9928, 11560, 12410, 12716, 12848, 13651, 14960, 15895, 16060, 19856, 21097, 23120, 24820, 25432, 27302, 31790, 32120, 42194, 49640, 50864, 54604, 63580, 64240, 68255, 84388, 99280, 105485, 109208, 127160, 136510, 168776, 210970, 218416, 232067, 254320, 273020, 337552, 421940, 464134, 546040, 843880, 928268, 1092080, 1160335, 1687760, 1856536, 2320670, 3713072, 4641340, 9282680, 18565360]

約数ペア:

[(1, 18565360), (2, 9282680), (4, 4641340), (5, 3713072), (8, 2320670), (10, 1856536), (11, 1687760), (16, 1160335), (17, 1092080), (20, 928268), (22, 843880), (34, 546040), (40, 464134), (44, 421940), (55, 337552), (68, 273020), (73, 254320), (80, 232067), (85, 218416), (88, 210970), (110, 168776), (136, 136510), (146, 127160), (170, 109208), (176, 105485), (187, 99280), (220, 84388), (272, 68255), (289, 64240), (292, 63580), (340, 54604), (365, 50864), (374, 49640), (440, 42194), (578, 32120), (584, 31790), (680, 27302), (730, 25432), (748, 24820), (803, 23120), (880, 21097), (935, 19856), (1156, 16060), (1168, 15895), (1241, 14960), (1360, 13651), (1445, 12848), (1460, 12716), (1496, 12410), (1606, 11560), (1870, 9928), (2312, 8030), (2482, 7480), (2890, 6424), (2920, 6358), (2992, 6205), (3179, 5840), (3212, 5780), (3740, 4964), (4015, 4624)]