19986327

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 30303936

約数和(自身を除く): 10317609

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1277, 1739, 3831, 5217, 11493, 15651, 47249, 60019, 141747, 180057, 425241, 540171, 2220703, 6662109, 19986327]

約数ペア:

[(1, 19986327), (3, 6662109), (9, 2220703), (37, 540171), (47, 425241), (111, 180057), (141, 141747), (333, 60019), (423, 47249), (1277, 15651), (1739, 11493), (3831, 5217)]