19557668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{661}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 36979320

約数和(自身を除く): 17421652

約数列:

[1, 2, 4, 13, 26, 52, 569, 661, 1138, 1322, 2276, 2644, 7397, 8593, 14794, 17186, 29588, 34372, 376109, 752218, 1504436, 4889417, 9778834, 19557668]

約数ペア:

[(1, 19557668), (2, 9778834), (4, 4889417), (13, 1504436), (26, 752218), (52, 376109), (569, 34372), (661, 29588), (1138, 17186), (1322, 14794), (2276, 8593), (2644, 7397)]