18009481

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 3417719

約数列:

[1, 7, 31, 149, 217, 557, 1043, 3899, 4619, 17267, 32333, 82993, 120869, 580951, 2572783, 18009481]

約数ペア:

[(1, 18009481), (7, 2572783), (31, 580951), (149, 120869), (217, 82993), (557, 32333), (1043, 17267), (3899, 4619)]