18340960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 50131872

約数和(自身を除く): 31790912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 613, 680, 748, 880, 935, 1226, 1360, 1496, 1760, 1870, 2452, 2720, 2992, 3065, 3740, 4904, 5984, 6130, 6743, 7480, 9808, 10421, 12260, 13486, 14960, 19616, 20842, 24520, 26972, 29920, 33715, 41684, 49040, 52105, 53944, 67430, 83368, 98080, 104210, 107888, 114631, 134860, 166736, 208420, 215776, 229262, 269720, 333472, 416840, 458524, 539440, 573155, 833680, 917048, 1078880, 1146310, 1667360, 1834096, 2292620, 3668192, 4585240, 9170480, 18340960]

約数ペア:

[(1, 18340960), (2, 9170480), (4, 4585240), (5, 3668192), (8, 2292620), (10, 1834096), (11, 1667360), (16, 1146310), (17, 1078880), (20, 917048), (22, 833680), (32, 573155), (34, 539440), (40, 458524), (44, 416840), (55, 333472), (68, 269720), (80, 229262), (85, 215776), (88, 208420), (110, 166736), (136, 134860), (160, 114631), (170, 107888), (176, 104210), (187, 98080), (220, 83368), (272, 67430), (340, 53944), (352, 52105), (374, 49040), (440, 41684), (544, 33715), (613, 29920), (680, 26972), (748, 24520), (880, 20842), (935, 19616), (1226, 14960), (1360, 13486), (1496, 12260), (1760, 10421), (1870, 9808), (2452, 7480), (2720, 6743), (2992, 6130), (3065, 5984), (3740, 4904)]