18819336

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 49720320

約数和(自身を除く): 30900984

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 103, 138, 184, 206, 276, 309, 331, 412, 552, 618, 662, 824, 993, 1236, 1324, 1986, 2369, 2472, 2648, 3972, 4738, 7107, 7613, 7944, 9476, 14214, 15226, 18952, 22839, 28428, 30452, 34093, 45678, 56856, 60904, 68186, 91356, 102279, 136372, 182712, 204558, 272744, 409116, 784139, 818232, 1568278, 2352417, 3136556, 4704834, 6273112, 9409668, 18819336]

約数ペア:

[(1, 18819336), (2, 9409668), (3, 6273112), (4, 4704834), (6, 3136556), (8, 2352417), (12, 1568278), (23, 818232), (24, 784139), (46, 409116), (69, 272744), (92, 204558), (103, 182712), (138, 136372), (184, 102279), (206, 91356), (276, 68186), (309, 60904), (331, 56856), (412, 45678), (552, 34093), (618, 30452), (662, 28428), (824, 22839), (993, 18952), (1236, 15226), (1324, 14214), (1986, 9476), (2369, 7944), (2472, 7613), (2648, 7107), (3972, 4738)]