19906545

素因数分解:

$3^1\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1153}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 31905792

約数和(自身を除く): 11999247

約数列:

[1, 3, 5, 15, 1151, 1153, 3453, 3459, 5755, 5765, 17265, 17295, 1327103, 3981309, 6635515, 19906545]

約数ペア:

[(1, 19906545), (3, 6635515), (5, 3981309), (15, 1327103), (1151, 17295), (1153, 17265), (3453, 5765), (3459, 5755)]