18018407

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 20666880

約数和(自身を除く): 2648473

約数列:

[1, 11, 23, 229, 253, 311, 2519, 3421, 5267, 7153, 57937, 71219, 78683, 783409, 1638037, 18018407]

約数ペア:

[(1, 18018407), (11, 1638037), (23, 783409), (229, 78683), (253, 71219), (311, 57937), (2519, 7153), (3421, 5267)]