18197060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6841}}^1$

素因数の和:6876

約数の個数: 48

約数和(自身を含む): 45978240

約数和(自身を除く): 27781180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6841, 13682, 27364, 34205, 47887, 68410, 95774, 129979, 136820, 191548, 239435, 259958, 478870, 519916, 649895, 909853, 957740, 1299790, 1819706, 2599580, 3639412, 4549265, 9098530, 18197060]

約数ペア:

[(1, 18197060), (2, 9098530), (4, 4549265), (5, 3639412), (7, 2599580), (10, 1819706), (14, 1299790), (19, 957740), (20, 909853), (28, 649895), (35, 519916), (38, 478870), (70, 259958), (76, 239435), (95, 191548), (133, 136820), (140, 129979), (190, 95774), (266, 68410), (380, 47887), (532, 34205), (665, 27364), (1330, 13682), (2660, 6841)]