19874655

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9397}}^1$

素因数の和:9455

約数の個数: 24

約数和(自身を含む): 35186112

約数和(自身を除く): 15311457

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9397, 28191, 46985, 84573, 140955, 422865, 441659, 1324977, 2208295, 3974931, 6624885, 19874655]

約数ペア:

[(1, 19874655), (3, 6624885), (5, 3974931), (9, 2208295), (15, 1324977), (45, 441659), (47, 422865), (141, 140955), (235, 84573), (423, 46985), (705, 28191), (2115, 9397)]