19390562

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2099}}^1$

素因数の和:2281

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 10849438

約数列:

[1, 2, 31, 62, 149, 298, 2099, 4198, 4619, 9238, 65069, 130138, 312751, 625502, 9695281, 19390562]

約数ペア:

[(1, 19390562), (2, 9695281), (31, 625502), (62, 312751), (149, 130138), (298, 65069), (2099, 9238), (4198, 4619)]