19879015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13297}}^1$

素因数の和:13338

約数の個数: 16

約数和(自身を含む): 26808768

約数和(自身を除く): 6929753

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13297, 66485, 172861, 305831, 864305, 1529155, 3975803, 19879015]

約数ペア:

[(1, 19879015), (5, 3975803), (13, 1529155), (23, 864305), (65, 305831), (115, 172861), (299, 66485), (1495, 13297)]