19669690

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1489}}^1$

素因数の和:2817

約数の個数: 16

約数和(自身を含む): 35456040

約数和(自身を除く): 15786350

約数列:

[1, 2, 5, 10, 1321, 1489, 2642, 2978, 6605, 7445, 13210, 14890, 1966969, 3933938, 9834845, 19669690]

約数ペア:

[(1, 19669690), (2, 9834845), (5, 3933938), (10, 1966969), (1321, 14890), (1489, 13210), (2642, 7445), (2978, 6605)]