17852840

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1949}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 40365000

約数和(自身を除く): 22512160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 1949, 2290, 3898, 4580, 7796, 9160, 9745, 15592, 19490, 38980, 77960, 446321, 892642, 1785284, 2231605, 3570568, 4463210, 8926420, 17852840]

約数ペア:

[(1, 17852840), (2, 8926420), (4, 4463210), (5, 3570568), (8, 2231605), (10, 1785284), (20, 892642), (40, 446321), (229, 77960), (458, 38980), (916, 19490), (1145, 15592), (1832, 9745), (1949, 9160), (2290, 7796), (3898, 4580)]