18720288

素因数分解:

$2^5\times 3^3\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 37163232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 72, 94, 96, 108, 141, 144, 188, 216, 282, 288, 376, 423, 432, 461, 564, 752, 846, 864, 922, 1128, 1269, 1383, 1504, 1692, 1844, 2256, 2538, 2766, 3384, 3688, 4149, 4512, 5076, 5532, 6768, 7376, 8298, 10152, 11064, 12447, 13536, 14752, 16596, 20304, 21667, 22128, 24894, 33192, 40608, 43334, 44256, 49788, 65001, 66384, 86668, 99576, 130002, 132768, 173336, 195003, 199152, 260004, 346672, 390006, 398304, 520008, 585009, 693344, 780012, 1040016, 1170018, 1560024, 2080032, 2340036, 3120048, 4680072, 6240096, 9360144, 18720288]

約数ペア:

[(1, 18720288), (2, 9360144), (3, 6240096), (4, 4680072), (6, 3120048), (8, 2340036), (9, 2080032), (12, 1560024), (16, 1170018), (18, 1040016), (24, 780012), (27, 693344), (32, 585009), (36, 520008), (47, 398304), (48, 390006), (54, 346672), (72, 260004), (94, 199152), (96, 195003), (108, 173336), (141, 132768), (144, 130002), (188, 99576), (216, 86668), (282, 66384), (288, 65001), (376, 49788), (423, 44256), (432, 43334), (461, 40608), (564, 33192), (752, 24894), (846, 22128), (864, 21667), (922, 20304), (1128, 16596), (1269, 14752), (1383, 13536), (1504, 12447), (1692, 11064), (1844, 10152), (2256, 8298), (2538, 7376), (2766, 6768), (3384, 5532), (3688, 5076), (4149, 4512)]