18195255

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 17578665

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 1637, 2223, 3705, 4911, 8185, 11115, 14733, 21281, 24555, 31103, 63843, 73665, 93309, 106405, 155515, 191529, 279927, 319215, 404339, 466545, 957645, 1213017, 1399635, 2021695, 3639051, 6065085, 18195255]

約数ペア:

[(1, 18195255), (3, 6065085), (5, 3639051), (9, 2021695), (13, 1399635), (15, 1213017), (19, 957645), (39, 466545), (45, 404339), (57, 319215), (65, 279927), (95, 191529), (117, 155515), (171, 106405), (195, 93309), (247, 73665), (285, 63843), (585, 31103), (741, 24555), (855, 21281), (1235, 14733), (1637, 11115), (2223, 8185), (3705, 4911)]