19197909

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 28691520

約数和(自身を除く): 9493611

約数列:

[1, 3, 9, 43, 113, 129, 339, 387, 439, 1017, 1317, 3951, 4859, 14577, 18877, 43731, 49607, 56631, 148821, 169893, 446463, 2133101, 6399303, 19197909]

約数ペア:

[(1, 19197909), (3, 6399303), (9, 2133101), (43, 446463), (113, 169893), (129, 148821), (339, 56631), (387, 49607), (439, 43731), (1017, 18877), (1317, 14577), (3951, 4859)]