18784035

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 33956160

約数和(自身を除く): 15172125

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2281, 2745, 6843, 8235, 11405, 20529, 34215, 61587, 102645, 139141, 307935, 417423, 695705, 1252269, 2087115, 3756807, 6261345, 18784035]

約数ペア:

[(1, 18784035), (3, 6261345), (5, 3756807), (9, 2087115), (15, 1252269), (27, 695705), (45, 417423), (61, 307935), (135, 139141), (183, 102645), (305, 61587), (549, 34215), (915, 20529), (1647, 11405), (2281, 8235), (2745, 6843)]