19415240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37337}}^1$

素因数の和:37361

約数の個数: 32

約数和(自身を含む): 47045880

約数和(自身を除く): 27630640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37337, 74674, 149348, 186685, 298696, 373370, 485381, 746740, 970762, 1493480, 1941524, 2426905, 3883048, 4853810, 9707620, 19415240]

約数ペア:

[(1, 19415240), (2, 9707620), (4, 4853810), (5, 3883048), (8, 2426905), (10, 1941524), (13, 1493480), (20, 970762), (26, 746740), (40, 485381), (52, 373370), (65, 298696), (104, 186685), (130, 149348), (260, 74674), (520, 37337)]