19399465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9923}}^1$

素因数の和:9968

約数の個数: 16

約数和(自身を含む): 25723008

約数和(自身を除く): 6323543

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 9923, 49615, 168691, 228229, 843455, 1141145, 3879893, 19399465]

約数ペア:

[(1, 19399465), (5, 3879893), (17, 1141145), (23, 843455), (85, 228229), (115, 168691), (391, 49615), (1955, 9923)]