18218736

素因数分解:

$2^4\times 3^3\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:431

約数の個数: 80

約数和(自身を含む): 52809120

約数和(自身を除く): 34590384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 181, 216, 233, 362, 432, 466, 543, 699, 724, 932, 1086, 1398, 1448, 1629, 1864, 2097, 2172, 2796, 2896, 3258, 3728, 4194, 4344, 4887, 5592, 6291, 6516, 8388, 8688, 9774, 11184, 12582, 13032, 16776, 19548, 25164, 26064, 33552, 39096, 42173, 50328, 78192, 84346, 100656, 126519, 168692, 253038, 337384, 379557, 506076, 674768, 759114, 1012152, 1138671, 1518228, 2024304, 2277342, 3036456, 4554684, 6072912, 9109368, 18218736]

約数ペア:

[(1, 18218736), (2, 9109368), (3, 6072912), (4, 4554684), (6, 3036456), (8, 2277342), (9, 2024304), (12, 1518228), (16, 1138671), (18, 1012152), (24, 759114), (27, 674768), (36, 506076), (48, 379557), (54, 337384), (72, 253038), (108, 168692), (144, 126519), (181, 100656), (216, 84346), (233, 78192), (362, 50328), (432, 42173), (466, 39096), (543, 33552), (699, 26064), (724, 25164), (932, 19548), (1086, 16776), (1398, 13032), (1448, 12582), (1629, 11184), (1864, 9774), (2097, 8688), (2172, 8388), (2796, 6516), (2896, 6291), (3258, 5592), (3728, 4887), (4194, 4344)]