19982746

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23399}}^1$

素因数の和:23469

約数の個数: 16

約数和(自身を含む): 34819200

約数和(自身を除く): 14836454

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23399, 46798, 163793, 327586, 1427339, 2854678, 9991373, 19982746]

約数ペア:

[(1, 19982746), (2, 9991373), (7, 2854678), (14, 1427339), (61, 327586), (122, 163793), (427, 46798), (854, 23399)]