19871696

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7349}}^1$

素因数の和:7383

約数の個数: 30

約数和(自身を含む): 41696550

約数和(自身を除く): 21824854

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7349, 14698, 29396, 58792, 95537, 117584, 191074, 382148, 764296, 1241981, 1528592, 2483962, 4967924, 9935848, 19871696]

約数ペア:

[(1, 19871696), (2, 9935848), (4, 4967924), (8, 2483962), (13, 1528592), (16, 1241981), (26, 764296), (52, 382148), (104, 191074), (169, 117584), (208, 95537), (338, 58792), (676, 29396), (1352, 14698), (2704, 7349)]