18478476

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 51448320

約数和(自身を除く): 32969844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 43, 46, 54, 69, 86, 92, 108, 129, 138, 172, 173, 207, 258, 276, 346, 387, 414, 516, 519, 621, 692, 774, 828, 989, 1038, 1161, 1242, 1548, 1557, 1978, 2076, 2322, 2484, 2967, 3114, 3956, 3979, 4644, 4671, 5934, 6228, 7439, 7958, 8901, 9342, 11868, 11937, 14878, 15916, 17802, 18684, 22317, 23874, 26703, 29756, 35604, 35811, 44634, 47748, 53406, 66951, 71622, 89268, 106812, 107433, 133902, 143244, 171097, 200853, 214866, 267804, 342194, 401706, 429732, 513291, 684388, 803412, 1026582, 1539873, 2053164, 3079746, 4619619, 6159492, 9239238, 18478476]

約数ペア:

[(1, 18478476), (2, 9239238), (3, 6159492), (4, 4619619), (6, 3079746), (9, 2053164), (12, 1539873), (18, 1026582), (23, 803412), (27, 684388), (36, 513291), (43, 429732), (46, 401706), (54, 342194), (69, 267804), (86, 214866), (92, 200853), (108, 171097), (129, 143244), (138, 133902), (172, 107433), (173, 106812), (207, 89268), (258, 71622), (276, 66951), (346, 53406), (387, 47748), (414, 44634), (516, 35811), (519, 35604), (621, 29756), (692, 26703), (774, 23874), (828, 22317), (989, 18684), (1038, 17802), (1161, 15916), (1242, 14878), (1548, 11937), (1557, 11868), (1978, 9342), (2076, 8901), (2322, 7958), (2484, 7439), (2967, 6228), (3114, 5934), (3956, 4671), (3979, 4644)]