19569809

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 3758191

約数列:

[1, 7, 29, 149, 203, 647, 1043, 4321, 4529, 18763, 30247, 96403, 131341, 674821, 2795687, 19569809]

約数ペア:

[(1, 19569809), (7, 2795687), (29, 674821), (149, 131341), (203, 96403), (647, 30247), (1043, 18763), (4321, 4529)]