1861988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 3498432

約数和(自身を除く): 1636444

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 547, 851, 1094, 1702, 2188, 3404, 12581, 20239, 25162, 40478, 50324, 80956, 465497, 930994, 1861988]

約数ペア:

[(1, 1861988), (2, 930994), (4, 465497), (23, 80956), (37, 50324), (46, 40478), (74, 25162), (92, 20239), (148, 12581), (547, 3404), (851, 2188), (1094, 1702)]