1821830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 3460752

約数和(自身を除く): 1638922

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 7921, 10235, 15842, 20470, 39605, 79210, 182183, 364366, 910915, 1821830]

約数ペア:

[(1, 1821830), (2, 910915), (5, 364366), (10, 182183), (23, 79210), (46, 39605), (89, 20470), (115, 15842), (178, 10235), (230, 7921), (445, 4094), (890, 2047)]