18893115

素因数分解:

$3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 33768000

約数和(自身を除く): 14874885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 349, 401, 1047, 1203, 1745, 2005, 3141, 3609, 5235, 6015, 9423, 10827, 15705, 18045, 47115, 54135, 139949, 419847, 699745, 1259541, 2099235, 3778623, 6297705, 18893115]

約数ペア:

[(1, 18893115), (3, 6297705), (5, 3778623), (9, 2099235), (15, 1259541), (27, 699745), (45, 419847), (135, 139949), (349, 54135), (401, 47115), (1047, 18045), (1203, 15705), (1745, 10827), (2005, 9423), (3141, 6015), (3609, 5235)]