2018940007

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{21487}}^1$

素因数の和:21958

約数の個数: 16

約数和(自身を含む): 2387402752

約数和(自身を除く): 368462745

約数列:

[1, 7, 31, 217, 433, 3031, 13423, 21487, 93961, 150409, 666097, 4662679, 9303871, 65127097, 288420001, 2018940007]

約数ペア:

[(1, 2018940007), (7, 288420001), (31, 65127097), (217, 9303871), (433, 4662679), (3031, 666097), (13423, 150409), (21487, 93961)]