18673067

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 23639040

約数和(自身を除く): 4965973

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 647, 931, 1519, 4123, 4529, 12293, 20057, 28861, 31703, 86051, 140399, 381083, 602357, 982793, 2667581, 18673067]

約数ペア:

[(1, 18673067), (7, 2667581), (19, 982793), (31, 602357), (49, 381083), (133, 140399), (217, 86051), (589, 31703), (647, 28861), (931, 20057), (1519, 12293), (4123, 4529)]