19704813

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{809}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 27527040

約数和(自身を除く): 7822227

約数列:

[1, 3, 23, 69, 353, 809, 1059, 2427, 8119, 18607, 24357, 55821, 285577, 856731, 6568271, 19704813]

約数ペア:

[(1, 19704813), (3, 6568271), (23, 856731), (69, 285577), (353, 55821), (809, 24357), (1059, 18607), (2427, 8119)]