18698836

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 35868000

約数和(自身を除く): 17169164

約数列:

[1, 2, 4, 13, 26, 52, 139, 169, 199, 278, 338, 398, 556, 676, 796, 1807, 2587, 3614, 5174, 7228, 10348, 23491, 27661, 33631, 46982, 55322, 67262, 93964, 110644, 134524, 359593, 719186, 1438372, 4674709, 9349418, 18698836]

約数ペア:

[(1, 18698836), (2, 9349418), (4, 4674709), (13, 1438372), (26, 719186), (52, 359593), (139, 134524), (169, 110644), (199, 93964), (278, 67262), (338, 55322), (398, 46982), (556, 33631), (676, 27661), (796, 23491), (1807, 10348), (2587, 7228), (3614, 5174)]