18979128

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{37657}}^1$

素因数の和:37676

約数の個数: 48

約数和(自身を含む): 58746480

約数和(自身を除く): 39767352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 37657, 75314, 112971, 150628, 225942, 263599, 301256, 338913, 451884, 527198, 677826, 790797, 903768, 1054396, 1355652, 1581594, 2108792, 2372391, 2711304, 3163188, 4744782, 6326376, 9489564, 18979128]

約数ペア:

[(1, 18979128), (2, 9489564), (3, 6326376), (4, 4744782), (6, 3163188), (7, 2711304), (8, 2372391), (9, 2108792), (12, 1581594), (14, 1355652), (18, 1054396), (21, 903768), (24, 790797), (28, 677826), (36, 527198), (42, 451884), (56, 338913), (63, 301256), (72, 263599), (84, 225942), (126, 150628), (168, 112971), (252, 75314), (504, 37657)]