19007782705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{133187}}^1$

素因数の和:133305

約数の個数: 32

約数和(自身を含む): 25546523904

約数和(自身を除く): 6538741199

約数列:

[1, 5, 17, 23, 73, 85, 115, 365, 391, 1241, 1679, 1955, 6205, 8395, 28543, 133187, 142715, 665935, 2264179, 3063301, 9722651, 11320895, 15316505, 48613255, 52076117, 165285067, 223620973, 260380585, 826425335, 1118104865, 3801556541, 19007782705]

約数ペア:

[(1, 19007782705), (5, 3801556541), (17, 1118104865), (23, 826425335), (73, 260380585), (85, 223620973), (115, 165285067), (365, 52076117), (391, 48613255), (1241, 15316505), (1679, 11320895), (1955, 9722651), (6205, 3063301), (8395, 2264179), (28543, 665935), (133187, 142715)]