18908726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4001}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 30255120

約数和(自身を除く): 11346394

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4001, 4726, 8002, 68017, 136034, 556139, 1112278, 9454363, 18908726]

約数ペア:

[(1, 18908726), (2, 9454363), (17, 1112278), (34, 556139), (139, 136034), (278, 68017), (2363, 8002), (4001, 4726)]