19663180

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5683}}^1$

素因数の和:5865

約数の個数: 24

約数和(自身を含む): 41538672

約数和(自身を除く): 21875492

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5683, 11366, 22732, 28415, 56830, 113660, 983159, 1966318, 3932636, 4915795, 9831590, 19663180]

約数ペア:

[(1, 19663180), (2, 9831590), (4, 4915795), (5, 3932636), (10, 1966318), (20, 983159), (173, 113660), (346, 56830), (692, 28415), (865, 22732), (1730, 11366), (3460, 5683)]