18193370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 35456400

約数和(自身を除く): 17263030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 401, 698, 802, 1745, 2005, 3490, 4010, 4537, 5213, 9074, 10426, 22685, 26065, 45370, 52130, 139949, 279898, 699745, 1399490, 1819337, 3638674, 9096685, 18193370]

約数ペア:

[(1, 18193370), (2, 9096685), (5, 3638674), (10, 1819337), (13, 1399490), (26, 699745), (65, 279898), (130, 139949), (349, 52130), (401, 45370), (698, 26065), (802, 22685), (1745, 10426), (2005, 9074), (3490, 5213), (4010, 4537)]