17988140

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1453}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 37862160

約数和(自身を除く): 19874020

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 1453, 2476, 2906, 3095, 5812, 6190, 7265, 12380, 14530, 29060, 899407, 1798814, 3597628, 4497035, 8994070, 17988140]

約数ペア:

[(1, 17988140), (2, 8994070), (4, 4497035), (5, 3597628), (10, 1798814), (20, 899407), (619, 29060), (1238, 14530), (1453, 12380), (2476, 7265), (2906, 6190), (3095, 5812)]