17899640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2432

約数の個数: 64

約数和(自身を含む): 46539360

約数和(自身を除く): 28639720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2393, 3740, 4786, 7480, 9572, 11965, 19144, 23930, 26323, 40681, 47860, 52646, 81362, 95720, 105292, 131615, 162724, 203405, 210584, 263230, 325448, 406810, 447491, 526460, 813620, 894982, 1052920, 1627240, 1789964, 2237455, 3579928, 4474910, 8949820, 17899640]

約数ペア:

[(1, 17899640), (2, 8949820), (4, 4474910), (5, 3579928), (8, 2237455), (10, 1789964), (11, 1627240), (17, 1052920), (20, 894982), (22, 813620), (34, 526460), (40, 447491), (44, 406810), (55, 325448), (68, 263230), (85, 210584), (88, 203405), (110, 162724), (136, 131615), (170, 105292), (187, 95720), (220, 81362), (340, 52646), (374, 47860), (440, 40681), (680, 26323), (748, 23930), (935, 19144), (1496, 11965), (1870, 9572), (2393, 7480), (3740, 4786)]