19858805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1399}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 5542795

約数列:

[1, 5, 17, 85, 167, 835, 1399, 2839, 6995, 14195, 23783, 118915, 233633, 1168165, 3971761, 19858805]

約数ペア:

[(1, 19858805), (5, 3971761), (17, 1168165), (85, 233633), (167, 118915), (835, 23783), (1399, 14195), (2839, 6995)]