18978304

素因数分解:

$2^9\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:486

約数の個数: 40

約数和(自身を含む): 38399328

約数和(自身を除く): 19421024

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 367, 404, 512, 734, 808, 1468, 1616, 2936, 3232, 5872, 6464, 11744, 12928, 23488, 25856, 37067, 46976, 51712, 74134, 93952, 148268, 187904, 296536, 593072, 1186144, 2372288, 4744576, 9489152, 18978304]

約数ペア:

[(1, 18978304), (2, 9489152), (4, 4744576), (8, 2372288), (16, 1186144), (32, 593072), (64, 296536), (101, 187904), (128, 148268), (202, 93952), (256, 74134), (367, 51712), (404, 46976), (512, 37067), (734, 25856), (808, 23488), (1468, 12928), (1616, 11744), (2936, 6464), (3232, 5872)]