19751147

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 22065120

約数和(自身を除く): 2313973

約数列:

[1, 13, 43, 89, 397, 559, 1157, 3827, 5161, 17071, 35333, 49751, 221923, 459329, 1519319, 19751147]

約数ペア:

[(1, 19751147), (13, 1519319), (43, 459329), (89, 221923), (397, 49751), (559, 35333), (1157, 17071), (3827, 5161)]