19938331

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4391909

約数列:

[1, 7, 17, 119, 131, 917, 1279, 2227, 8953, 15589, 21743, 152201, 167549, 1172843, 2848333, 19938331]

約数ペア:

[(1, 19938331), (7, 2848333), (17, 1172843), (119, 167549), (131, 152201), (917, 21743), (1279, 15589), (2227, 8953)]