18157120

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2507

約数の個数: 56

約数和(自身を含む): 45134784

約数和(自身を除く): 26977664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2467, 3680, 4934, 7360, 9868, 12335, 19736, 24670, 39472, 49340, 56741, 78944, 98680, 113482, 157888, 197360, 226964, 283705, 394720, 453928, 567410, 789440, 907856, 1134820, 1815712, 2269640, 3631424, 4539280, 9078560, 18157120]

約数ペア:

[(1, 18157120), (2, 9078560), (4, 4539280), (5, 3631424), (8, 2269640), (10, 1815712), (16, 1134820), (20, 907856), (23, 789440), (32, 567410), (40, 453928), (46, 394720), (64, 283705), (80, 226964), (92, 197360), (115, 157888), (160, 113482), (184, 98680), (230, 78944), (320, 56741), (368, 49340), (460, 39472), (736, 24670), (920, 19736), (1472, 12335), (1840, 9868), (2467, 7360), (3680, 4934)]