18974004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7789}}^1$

素因数の和:7832

約数の個数: 48

約数和(自身を含む): 52348800

約数和(自身を除く): 33374796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 7789, 15578, 23367, 31156, 46734, 54523, 93468, 109046, 163569, 218092, 225881, 327138, 451762, 654276, 677643, 903524, 1355286, 1581167, 2710572, 3162334, 4743501, 6324668, 9487002, 18974004]

約数ペア:

[(1, 18974004), (2, 9487002), (3, 6324668), (4, 4743501), (6, 3162334), (7, 2710572), (12, 1581167), (14, 1355286), (21, 903524), (28, 677643), (29, 654276), (42, 451762), (58, 327138), (84, 225881), (87, 218092), (116, 163569), (174, 109046), (203, 93468), (348, 54523), (406, 46734), (609, 31156), (812, 23367), (1218, 15578), (2436, 7789)]