19905638

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:787

約数の個数: 16

約数和(自身を含む): 30357504

約数和(自身を除く): 10451866

約数列:

[1, 2, 107, 191, 214, 382, 487, 974, 20437, 40874, 52109, 93017, 104218, 186034, 9952819, 19905638]

約数ペア:

[(1, 19905638), (2, 9952819), (107, 186034), (191, 104218), (214, 93017), (382, 52109), (487, 40874), (974, 20437)]