19403840

素因数分解:

$2^6\times 5^1\times {\mathrm{60637}}^1$

素因数の和:60654

約数の個数: 28

約数和(自身を含む): 46206156

約数和(自身を除く): 26802316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 60637, 121274, 242548, 303185, 485096, 606370, 970192, 1212740, 1940384, 2425480, 3880768, 4850960, 9701920, 19403840]

約数ペア:

[(1, 19403840), (2, 9701920), (4, 4850960), (5, 3880768), (8, 2425480), (10, 1940384), (16, 1212740), (20, 970192), (32, 606370), (40, 485096), (64, 303185), (80, 242548), (160, 121274), (320, 60637)]