19648018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11279}}^1$

素因数の和:11361

約数の個数: 16

約数和(自身を含む): 32215680

約数和(自身を除く): 12567662

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11279, 22558, 146627, 293254, 755693, 1511386, 9824009, 19648018]

約数ペア:

[(1, 19648018), (2, 9824009), (13, 1511386), (26, 755693), (67, 293254), (134, 146627), (871, 22558), (1742, 11279)]