19898593

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 23518656

約数和(自身を除く): 3620063

約数列:

[1, 11, 13, 143, 227, 613, 2497, 2951, 6743, 7969, 32461, 87659, 139151, 1530661, 1808963, 19898593]

約数ペア:

[(1, 19898593), (11, 1808963), (13, 1530661), (143, 139151), (227, 87659), (613, 32461), (2497, 7969), (2951, 6743)]