18318833

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 20756736

約数和(自身を除く): 2437903

約数列:

[1, 13, 23, 197, 299, 311, 2561, 4043, 4531, 7153, 58903, 61267, 92989, 796471, 1409141, 18318833]

約数ペア:

[(1, 18318833), (13, 1409141), (23, 796471), (197, 92989), (299, 61267), (311, 58903), (2561, 7153), (4043, 4531)]