19767645

素因数分解:

$3^4\times 5^1\times {\mathrm{48809}}^1$

素因数の和:48826

約数の個数: 20

約数和(自身を含む): 35436060

約数和(自身を除く): 15668415

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48809, 146427, 244045, 439281, 732135, 1317843, 2196405, 3953529, 6589215, 19767645]

約数ペア:

[(1, 19767645), (3, 6589215), (5, 3953529), (9, 2196405), (15, 1317843), (27, 732135), (45, 439281), (81, 244045), (135, 146427), (405, 48809)]