19529480

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3727}}^1$

素因数の和:3869

約数の個数: 32

約数和(自身を含む): 44288640

約数和(自身を除く): 24759160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3727, 5240, 7454, 14908, 18635, 29816, 37270, 74540, 149080, 488237, 976474, 1952948, 2441185, 3905896, 4882370, 9764740, 19529480]

約数ペア:

[(1, 19529480), (2, 9764740), (4, 4882370), (5, 3905896), (8, 2441185), (10, 1952948), (20, 976474), (40, 488237), (131, 149080), (262, 74540), (524, 37270), (655, 29816), (1048, 18635), (1310, 14908), (2620, 7454), (3727, 5240)]