19965886

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1801}}^1$

素因数の和:2067

約数の個数: 16

約数和(自身を含む): 31398048

約数和(自身を除く): 11432162

約数列:

[1, 2, 23, 46, 241, 482, 1801, 3602, 5543, 11086, 41423, 82846, 434041, 868082, 9982943, 19965886]

約数ペア:

[(1, 19965886), (2, 9982943), (23, 868082), (46, 434041), (241, 82846), (482, 41423), (1801, 11086), (3602, 5543)]