20183886

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2203}}^1$

素因数の和:2720

約数の個数: 24

約数和(自身を含む): 43837560

約数和(自身を除く): 23653674

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2203, 3054, 4406, 4581, 6609, 9162, 13218, 19827, 39654, 1121327, 2242654, 3363981, 6727962, 10091943, 20183886]

約数ペア:

[(1, 20183886), (2, 10091943), (3, 6727962), (6, 3363981), (9, 2242654), (18, 1121327), (509, 39654), (1018, 19827), (1527, 13218), (2203, 9162), (3054, 6609), (4406, 4581)]