17820454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4001}}^1$

素因数の和:4151

約数の個数: 16

約数和(自身を含む): 28526256

約数和(自身を除く): 10705802

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4001, 4454, 8002, 68017, 136034, 524131, 1048262, 8910227, 17820454]

約数ペア:

[(1, 17820454), (2, 8910227), (17, 1048262), (34, 524131), (131, 136034), (262, 68017), (2227, 8002), (4001, 4454)]