19109705

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 4391095

約数列:

[1, 5, 79, 101, 395, 479, 505, 2395, 7979, 37841, 39895, 48379, 189205, 241895, 3821941, 19109705]

約数ペア:

[(1, 19109705), (5, 3821941), (79, 241895), (101, 189205), (395, 48379), (479, 39895), (505, 37841), (2395, 7979)]