18019485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 34706880

約数和(自身を除く): 16687395

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 59, 99, 165, 177, 295, 495, 531, 617, 649, 885, 1851, 1947, 2655, 3085, 3245, 5553, 5841, 6787, 9255, 9735, 20361, 27765, 29205, 33935, 36403, 61083, 101805, 109209, 182015, 305415, 327627, 400433, 546045, 1201299, 1638135, 2002165, 3603897, 6006495, 18019485]

約数ペア:

[(1, 18019485), (3, 6006495), (5, 3603897), (9, 2002165), (11, 1638135), (15, 1201299), (33, 546045), (45, 400433), (55, 327627), (59, 305415), (99, 182015), (165, 109209), (177, 101805), (295, 61083), (495, 36403), (531, 33935), (617, 29205), (649, 27765), (885, 20361), (1851, 9735), (1947, 9255), (2655, 6787), (3085, 5841), (3245, 5553)]