19733454

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^3\times {\mathrm{499}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 46410000

約数和(自身を除く): 26676546

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 499, 507, 998, 1014, 1497, 1521, 2197, 2994, 3042, 4394, 4491, 6487, 6591, 8982, 12974, 13182, 19461, 19773, 38922, 39546, 58383, 84331, 116766, 168662, 252993, 505986, 758979, 1096303, 1517958, 2192606, 3288909, 6577818, 9866727, 19733454]

約数ペア:

[(1, 19733454), (2, 9866727), (3, 6577818), (6, 3288909), (9, 2192606), (13, 1517958), (18, 1096303), (26, 758979), (39, 505986), (78, 252993), (117, 168662), (169, 116766), (234, 84331), (338, 58383), (499, 39546), (507, 38922), (998, 19773), (1014, 19461), (1497, 13182), (1521, 12974), (2197, 8982), (2994, 6591), (3042, 6487), (4394, 4491)]