19688823

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28411}}^1$

素因数の和:28435

約数の個数: 24

約数和(自身を含む): 35458176

約数和(自身を除く): 15769353

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28411, 85233, 198877, 255699, 312521, 596631, 937563, 1789893, 2187647, 2812689, 6562941, 19688823]

約数ペア:

[(1, 19688823), (3, 6562941), (7, 2812689), (9, 2187647), (11, 1789893), (21, 937563), (33, 596631), (63, 312521), (77, 255699), (99, 198877), (231, 85233), (693, 28411)]