19838090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 37825920

約数和(自身を除く): 17987830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 263, 397, 526, 794, 1315, 1985, 2630, 3970, 4997, 7543, 9994, 15086, 24985, 37715, 49970, 75430, 104411, 208822, 522055, 1044110, 1983809, 3967618, 9919045, 19838090]

約数ペア:

[(1, 19838090), (2, 9919045), (5, 3967618), (10, 1983809), (19, 1044110), (38, 522055), (95, 208822), (190, 104411), (263, 75430), (397, 49970), (526, 37715), (794, 24985), (1315, 15086), (1985, 9994), (2630, 7543), (3970, 4997)]