19959430

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7103}}^1$

素因数の和:7391

約数の個数: 16

約数和(自身を含む): 36059904

約数和(自身を除く): 16100474

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 7103, 14206, 35515, 71030, 1995943, 3991886, 9979715, 19959430]

約数ペア:

[(1, 19959430), (2, 9979715), (5, 3991886), (10, 1995943), (281, 71030), (562, 35515), (1405, 14206), (2810, 7103)]