19321265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9883}}^1$

素因数の和:9928

約数の個数: 16

約数和(自身を含む): 25619328

約数和(自身を除く): 6298063

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 9883, 49415, 168011, 227309, 840055, 1136545, 3864253, 19321265]

約数ペア:

[(1, 19321265), (5, 3864253), (17, 1136545), (23, 840055), (85, 227309), (115, 168011), (391, 49415), (1955, 9883)]