19939702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12203}}^1$

素因数の和:12267

約数の個数: 16

約数和(自身を含む): 32218560

約数和(自身を除く): 12278858

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12203, 24406, 231857, 463714, 524729, 1049458, 9969851, 19939702]

約数ペア:

[(1, 19939702), (2, 9969851), (19, 1049458), (38, 524729), (43, 463714), (86, 231857), (817, 24406), (1634, 12203)]