19943307

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4423}}^1$

素因数の和:4599

約数の個数: 16

約数和(自身を含む): 29729280

約数和(自身を除く): 9785973

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4423, 4509, 13269, 39807, 119421, 738641, 2215923, 6647769, 19943307]

約数ペア:

[(1, 19943307), (3, 6647769), (9, 2215923), (27, 738641), (167, 119421), (501, 39807), (1503, 13269), (4423, 4509)]