18804519998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1\times {\mathrm{38273}}^1$

素因数の和:39280

約数の個数: 32

約数和(自身を含む): 32142811392

約数和(自身を除く): 13338291394

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 971, 1942, 10681, 21362, 22333, 38273, 44666, 76546, 245663, 421003, 491326, 842006, 880279, 1760558, 9683069, 19366138, 37163083, 74326166, 408793913, 817587826, 854750909, 1709501818, 9402259999, 18804519998]

約数ペア:

[(1, 18804519998), (2, 9402259999), (11, 1709501818), (22, 854750909), (23, 817587826), (46, 408793913), (253, 74326166), (506, 37163083), (971, 19366138), (1942, 9683069), (10681, 1760558), (21362, 880279), (22333, 842006), (38273, 491326), (44666, 421003), (76546, 245663)]