19248921

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{1423}}^1$

素因数の和:1602

約数の個数: 20

約数和(自身を含む): 28947072

約数和(自身を除く): 9698151

約数列:

[1, 3, 9, 27, 81, 167, 501, 1423, 1503, 4269, 4509, 12807, 13527, 38421, 115263, 237641, 712923, 2138769, 6416307, 19248921]

約数ペア:

[(1, 19248921), (3, 6416307), (9, 2138769), (27, 712923), (81, 237641), (167, 115263), (501, 38421), (1423, 13527), (1503, 12807), (4269, 4509)]