19856132

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 35645400

約数和(自身を除く): 15789268

約数列:

[1, 2, 4, 53, 106, 212, 229, 409, 458, 818, 916, 1636, 12137, 21677, 24274, 43354, 48548, 86708, 93661, 187322, 374644, 4964033, 9928066, 19856132]

約数ペア:

[(1, 19856132), (2, 9928066), (4, 4964033), (53, 374644), (106, 187322), (212, 93661), (229, 86708), (409, 48548), (458, 43354), (818, 24274), (916, 21677), (1636, 12137)]