15804865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 21098880

約数和(自身を除く): 5294015

約数列:

[1, 5, 19, 43, 53, 73, 95, 215, 265, 365, 817, 1007, 1387, 2279, 3139, 3869, 4085, 5035, 6935, 11395, 15695, 19345, 43301, 59641, 73511, 166367, 216505, 298205, 367555, 831835, 3160973, 15804865]

約数ペア:

[(1, 15804865), (5, 3160973), (19, 831835), (43, 367555), (53, 298205), (73, 216505), (95, 166367), (215, 73511), (265, 59641), (365, 43301), (817, 19345), (1007, 15695), (1387, 11395), (2279, 6935), (3139, 5035), (3869, 4085)]