19705728

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7331}}^1$

素因数の和:7355

約数の個数: 64

約数和(自身を含む): 59829120

約数和(自身を除く): 40123392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7331, 14662, 21993, 29324, 43986, 51317, 58648, 87972, 102634, 117296, 153951, 175944, 205268, 234592, 307902, 351888, 410536, 469184, 615804, 703776, 821072, 938368, 1231608, 1407552, 1642144, 2463216, 2815104, 3284288, 4926432, 6568576, 9852864, 19705728]

約数ペア:

[(1, 19705728), (2, 9852864), (3, 6568576), (4, 4926432), (6, 3284288), (7, 2815104), (8, 2463216), (12, 1642144), (14, 1407552), (16, 1231608), (21, 938368), (24, 821072), (28, 703776), (32, 615804), (42, 469184), (48, 410536), (56, 351888), (64, 307902), (84, 234592), (96, 205268), (112, 175944), (128, 153951), (168, 117296), (192, 102634), (224, 87972), (336, 58648), (384, 51317), (448, 43986), (672, 29324), (896, 21993), (1344, 14662), (2688, 7331)]