19209790

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3673}}^1$

素因数の和:4203

約数の個数: 16

約数和(自身を含む): 34653168

約数和(自身を除く): 15443378

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 3673, 5230, 7346, 18365, 36730, 1920979, 3841958, 9604895, 19209790]

約数ペア:

[(1, 19209790), (2, 9604895), (5, 3841958), (10, 1920979), (523, 36730), (1046, 18365), (2615, 7346), (3673, 5230)]