19375585

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 23956416

約数和(自身を除く): 4580831

約数列:

[1, 5, 43, 215, 227, 397, 1135, 1985, 9761, 17071, 48805, 85355, 90119, 450595, 3875117, 19375585]

約数ペア:

[(1, 19375585), (5, 3875117), (43, 450595), (215, 90119), (227, 85355), (397, 48805), (1135, 17071), (1985, 9761)]