18976385

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 23464080

約数和(自身を除く): 4487695

約数列:

[1, 5, 53, 101, 265, 505, 709, 3545, 5353, 26765, 37577, 71609, 187885, 358045, 3795277, 18976385]

約数ペア:

[(1, 18976385), (5, 3795277), (53, 358045), (101, 187885), (265, 71609), (505, 37577), (709, 26765), (3545, 5353)]