18894369

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 27669600

約数和(自身を除く): 8775231

約数列:

[1, 3, 13, 39, 83, 169, 249, 449, 507, 1079, 1347, 3237, 5837, 14027, 17511, 37267, 42081, 75881, 111801, 227643, 484471, 1453413, 6298123, 18894369]

約数ペア:

[(1, 18894369), (3, 6298123), (13, 1453413), (39, 484471), (83, 227643), (169, 111801), (249, 75881), (449, 42081), (507, 37267), (1079, 17511), (1347, 14027), (3237, 5837)]