18456156940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70985219}}^1$

素因数の和:70985241

約数の個数: 24

約数和(自身を含む): 41739309360

約数和(自身を除く): 23283152420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70985219, 141970438, 283940876, 354926095, 709852190, 922807847, 1419704380, 1845615694, 3691231388, 4614039235, 9228078470, 18456156940]

約数ペア:

[(1, 18456156940), (2, 9228078470), (4, 4614039235), (5, 3691231388), (10, 1845615694), (13, 1419704380), (20, 922807847), (26, 709852190), (52, 354926095), (65, 283940876), (130, 141970438), (260, 70985219)]