18729858

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 27350142

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 479, 686, 798, 931, 958, 1029, 1437, 1862, 2058, 2793, 2874, 3353, 5586, 6517, 6706, 9101, 10059, 13034, 18202, 19551, 20118, 23471, 27303, 39102, 46942, 54606, 63707, 70413, 127414, 140826, 164297, 191121, 328594, 382242, 445949, 492891, 891898, 985782, 1337847, 2675694, 3121643, 6243286, 9364929, 18729858]

約数ペア:

[(1, 18729858), (2, 9364929), (3, 6243286), (6, 3121643), (7, 2675694), (14, 1337847), (19, 985782), (21, 891898), (38, 492891), (42, 445949), (49, 382242), (57, 328594), (98, 191121), (114, 164297), (133, 140826), (147, 127414), (266, 70413), (294, 63707), (343, 54606), (399, 46942), (479, 39102), (686, 27303), (798, 23471), (931, 20118), (958, 19551), (1029, 18202), (1437, 13034), (1862, 10059), (2058, 9101), (2793, 6706), (2874, 6517), (3353, 5586)]