19348991

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 20736000

約数和(自身を除く): 1387009

約数列:

[1, 31, 59, 71, 149, 1829, 2201, 4189, 4619, 8791, 10579, 129859, 272521, 327949, 624161, 19348991]

約数ペア:

[(1, 19348991), (31, 624161), (59, 327949), (71, 272521), (149, 129859), (1829, 10579), (2201, 8791), (4189, 4619)]