19317220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74297}}^1$

素因数の和:74319

約数の個数: 24

約数和(自身を含む): 43687224

約数和(自身を除く): 24370004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74297, 148594, 297188, 371485, 742970, 965861, 1485940, 1931722, 3863444, 4829305, 9658610, 19317220]

約数ペア:

[(1, 19317220), (2, 9658610), (4, 4829305), (5, 3863444), (10, 1931722), (13, 1485940), (20, 965861), (26, 742970), (52, 371485), (65, 297188), (130, 148594), (260, 74297)]