19889414

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2153}}^1$

素因数の和:2335

約数の個数: 16

約数和(自身を含む): 31017600

約数和(自身を除く): 11128186

約数列:

[1, 2, 31, 62, 149, 298, 2153, 4306, 4619, 9238, 66743, 133486, 320797, 641594, 9944707, 19889414]

約数ペア:

[(1, 19889414), (2, 9944707), (31, 641594), (62, 320797), (149, 133486), (298, 66743), (2153, 9238), (4306, 4619)]