19545188

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 36

約数和(自身を含む): 38353140

約数和(自身を除く): 18807952

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 997, 1508, 1994, 3988, 4901, 9802, 12961, 19604, 25922, 28913, 51844, 57826, 115652, 168493, 336986, 375869, 673972, 751738, 1503476, 4886297, 9772594, 19545188]

約数ペア:

[(1, 19545188), (2, 9772594), (4, 4886297), (13, 1503476), (26, 751738), (29, 673972), (52, 375869), (58, 336986), (116, 168493), (169, 115652), (338, 57826), (377, 51844), (676, 28913), (754, 25922), (997, 19604), (1508, 12961), (1994, 9802), (3988, 4901)]