19843889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 22099392

約数和(自身を除く): 2255503

約数列:

[1, 13, 53, 83, 347, 689, 1079, 4399, 4511, 18391, 28801, 57187, 239083, 374413, 1526453, 19843889]

約数ペア:

[(1, 19843889), (13, 1526453), (53, 374413), (83, 239083), (347, 57187), (689, 28801), (1079, 18391), (4399, 4511)]