19815649

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{5119}}^1$

素因数の和:5212

約数の個数: 12

約数和(自身を含む): 23347200

約数和(自身を除く): 3531551

約数列:

[1, 7, 49, 79, 553, 3871, 5119, 35833, 250831, 404401, 2830807, 19815649]

約数ペア:

[(1, 19815649), (7, 2830807), (49, 404401), (79, 250831), (553, 35833), (3871, 5119)]