19861434

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8423}}^1$

素因数の和:8562

約数の個数: 24

約数和(自身を含む): 43366752

約数和(自身を除く): 23505318

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8423, 16846, 25269, 50538, 75807, 151614, 1103413, 2206826, 3310239, 6620478, 9930717, 19861434]

約数ペア:

[(1, 19861434), (2, 9930717), (3, 6620478), (6, 3310239), (9, 2206826), (18, 1103413), (131, 151614), (262, 75807), (393, 50538), (786, 25269), (1179, 16846), (2358, 8423)]