17991888

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 49758720

約数和(自身を除く): 31766832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 379, 516, 552, 688, 758, 989, 1032, 1104, 1137, 1516, 1978, 2064, 2274, 2967, 3032, 3956, 4548, 5934, 6064, 7912, 8717, 9096, 11868, 15824, 16297, 17434, 18192, 23736, 26151, 32594, 34868, 47472, 48891, 52302, 65188, 69736, 97782, 104604, 130376, 139472, 195564, 209208, 260752, 374831, 391128, 418416, 749662, 782256, 1124493, 1499324, 2248986, 2998648, 4497972, 5997296, 8995944, 17991888]

約数ペア:

[(1, 17991888), (2, 8995944), (3, 5997296), (4, 4497972), (6, 2998648), (8, 2248986), (12, 1499324), (16, 1124493), (23, 782256), (24, 749662), (43, 418416), (46, 391128), (48, 374831), (69, 260752), (86, 209208), (92, 195564), (129, 139472), (138, 130376), (172, 104604), (184, 97782), (258, 69736), (276, 65188), (344, 52302), (368, 48891), (379, 47472), (516, 34868), (552, 32594), (688, 26151), (758, 23736), (989, 18192), (1032, 17434), (1104, 16297), (1137, 15824), (1516, 11868), (1978, 9096), (2064, 8717), (2274, 7912), (2967, 6064), (3032, 5934), (3956, 4548)]