19767915

素因数分解:

$3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 15612885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 181, 543, 809, 905, 1629, 2427, 2715, 4045, 4887, 7281, 8145, 12135, 21843, 24435, 36405, 109215, 146429, 439287, 732145, 1317861, 2196435, 3953583, 6589305, 19767915]

約数ペア:

[(1, 19767915), (3, 6589305), (5, 3953583), (9, 2196435), (15, 1317861), (27, 732145), (45, 439287), (135, 146429), (181, 109215), (543, 36405), (809, 24435), (905, 21843), (1629, 12135), (2427, 8145), (2715, 7281), (4045, 4887)]