18946971

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{619}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 29016000

約数和(自身を除く): 10069029

約数列:

[1, 3, 9, 19, 57, 171, 179, 537, 619, 1611, 1857, 3401, 5571, 10203, 11761, 30609, 35283, 105849, 110801, 332403, 997209, 2105219, 6315657, 18946971]

約数ペア:

[(1, 18946971), (3, 6315657), (9, 2105219), (19, 997209), (57, 332403), (171, 110801), (179, 105849), (537, 35283), (619, 30609), (1611, 11761), (1857, 10203), (3401, 5571)]