18112765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{647}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 5681795

約数列:

[1, 5, 11, 55, 509, 647, 2545, 3235, 5599, 7117, 27995, 35585, 329323, 1646615, 3622553, 18112765]

約数ペア:

[(1, 18112765), (5, 3622553), (11, 1646615), (55, 329323), (509, 35585), (647, 27995), (2545, 7117), (3235, 5599)]