19828744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5153}}^1$

素因数の和:5209

約数の個数: 32

約数和(自身を含む): 41128920

約数和(自身を除く): 21300176

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5153, 10306, 20612, 41224, 66989, 133978, 190661, 267956, 381322, 535912, 762644, 1525288, 2478593, 4957186, 9914372, 19828744]

約数ペア:

[(1, 19828744), (2, 9914372), (4, 4957186), (8, 2478593), (13, 1525288), (26, 762644), (37, 535912), (52, 381322), (74, 267956), (104, 190661), (148, 133978), (296, 66989), (481, 41224), (962, 20612), (1924, 10306), (3848, 5153)]