18037780

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4673}}^1$

素因数の和:4875

約数の個数: 24

約数和(自身を含む): 38083752

約数和(自身を除く): 20045972

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 4673, 9346, 18692, 23365, 46730, 93460, 901889, 1803778, 3607556, 4509445, 9018890, 18037780]

約数ペア:

[(1, 18037780), (2, 9018890), (4, 4509445), (5, 3607556), (10, 1803778), (20, 901889), (193, 93460), (386, 46730), (772, 23365), (965, 18692), (1930, 9346), (3860, 4673)]