19759516

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5387}}^1$

素因数の和:5529

約数の個数: 24

約数和(自身を含む): 39828096

約数和(自身を除く): 20068580

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5387, 10774, 21548, 37709, 75418, 150836, 705697, 1411394, 2822788, 4939879, 9879758, 19759516]

約数ペア:

[(1, 19759516), (2, 9879758), (4, 4939879), (7, 2822788), (14, 1411394), (28, 705697), (131, 150836), (262, 75418), (524, 37709), (917, 21548), (1834, 10774), (3668, 5387)]