18996505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15017}}^1$

素因数の和:15056

約数の個数: 16

約数和(自身を含む): 25951104

約数和(自身を除く): 6954599

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15017, 75085, 165187, 345391, 825935, 1726955, 3799301, 18996505]

約数ペア:

[(1, 18996505), (5, 3799301), (11, 1726955), (23, 825935), (55, 345391), (115, 165187), (253, 75085), (1265, 15017)]