19400859

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7459}}^1$

素因数の和:7499

約数の個数: 18

約数和(自身を含む): 29772860

約数和(自身を除く): 10372001

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7459, 22377, 67131, 126803, 380409, 1141227, 2155651, 6466953, 19400859]

約数ペア:

[(1, 19400859), (3, 6466953), (9, 2155651), (17, 1141227), (51, 380409), (153, 126803), (289, 67131), (867, 22377), (2601, 7459)]