18990012

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 46236960

約数和(自身を除く): 27246948

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 197, 277, 348, 394, 554, 591, 788, 831, 1108, 1182, 1662, 2364, 3324, 5713, 8033, 11426, 16066, 17139, 22852, 24099, 32132, 34278, 48198, 54569, 68556, 96396, 109138, 163707, 218276, 327414, 654828, 1582501, 3165002, 4747503, 6330004, 9495006, 18990012]

約数ペア:

[(1, 18990012), (2, 9495006), (3, 6330004), (4, 4747503), (6, 3165002), (12, 1582501), (29, 654828), (58, 327414), (87, 218276), (116, 163707), (174, 109138), (197, 96396), (277, 68556), (348, 54569), (394, 48198), (554, 34278), (591, 32132), (788, 24099), (831, 22852), (1108, 17139), (1182, 16066), (1662, 11426), (2364, 8033), (3324, 5713)]