19521369

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1901}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 32440512

約数和(自身を除く): 12919143

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 1901, 3423, 5703, 10269, 13307, 17109, 39921, 119763, 309863, 929589, 2169041, 2788767, 6507123, 19521369]

約数ペア:

[(1, 19521369), (3, 6507123), (7, 2788767), (9, 2169041), (21, 929589), (63, 309863), (163, 119763), (489, 39921), (1141, 17109), (1467, 13307), (1901, 10269), (3423, 5703)]