19487214

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2647}}^1$

素因数の和:3064

約数の個数: 24

約数和(自身を含む): 42341520

約数和(自身を除く): 22854306

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2647, 3681, 5294, 7362, 7941, 15882, 23823, 47646, 1082623, 2165246, 3247869, 6495738, 9743607, 19487214]

約数ペア:

[(1, 19487214), (2, 9743607), (3, 6495738), (6, 3247869), (9, 2165246), (18, 1082623), (409, 47646), (818, 23823), (1227, 15882), (2454, 7941), (2647, 7362), (3681, 5294)]