18868993

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5737}}^1$

素因数の和:5784

約数の個数: 16

約数和(自身を含む): 23135616

約数和(自身を除く): 4266623

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 5737, 63107, 74581, 131951, 820391, 1451461, 1715363, 18868993]

約数ペア:

[(1, 18868993), (11, 1715363), (13, 1451461), (23, 820391), (143, 131951), (253, 74581), (299, 63107), (3289, 5737)]