19908645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{45767}}^1$

素因数の和:45804

約数の個数: 16

約数和(自身を含む): 32952960

約数和(自身を除く): 13044315

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 45767, 137301, 228835, 686505, 1327243, 3981729, 6636215, 19908645]

約数ペア:

[(1, 19908645), (3, 6636215), (5, 3981729), (15, 1327243), (29, 686505), (87, 228835), (145, 137301), (435, 45767)]