19257207

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 26275200

約数和(自身を除く): 7017993

約数列:

[1, 3, 67, 149, 201, 447, 643, 1929, 9983, 29949, 43081, 95807, 129243, 287421, 6419069, 19257207]

約数ペア:

[(1, 19257207), (3, 6419069), (67, 287421), (149, 129243), (201, 95807), (447, 43081), (643, 29949), (1929, 9983)]