18247664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 37988640

約数和(自身を除く): 19740976

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 919, 1168, 1241, 1838, 2482, 3676, 4964, 7352, 9928, 14704, 15623, 19856, 31246, 62492, 67087, 124984, 134174, 249968, 268348, 536696, 1073392, 1140479, 2280958, 4561916, 9123832, 18247664]

約数ペア:

[(1, 18247664), (2, 9123832), (4, 4561916), (8, 2280958), (16, 1140479), (17, 1073392), (34, 536696), (68, 268348), (73, 249968), (136, 134174), (146, 124984), (272, 67087), (292, 62492), (584, 31246), (919, 19856), (1168, 15623), (1241, 14704), (1838, 9928), (2482, 7352), (3676, 4964)]