12961192036

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19173361}}^1$

素因数の和:19173391

約数の個数: 18

約数和(自身を含む): 24561076722

約数和(自身を除く): 11599884686

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 19173361, 38346722, 76693444, 249253693, 498507386, 997014772, 3240298009, 6480596018, 12961192036]

約数ペア:

[(1, 12961192036), (2, 6480596018), (4, 3240298009), (13, 997014772), (26, 498507386), (52, 249253693), (169, 76693444), (338, 38346722), (676, 19173361)]