18502240

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 44008272

約数和(自身を除く): 25506032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 587, 788, 985, 1174, 1576, 1970, 2348, 2935, 3152, 3940, 4696, 5870, 6304, 7880, 9392, 11740, 15760, 18784, 23480, 31520, 46960, 93920, 115639, 231278, 462556, 578195, 925112, 1156390, 1850224, 2312780, 3700448, 4625560, 9251120, 18502240]

約数ペア:

[(1, 18502240), (2, 9251120), (4, 4625560), (5, 3700448), (8, 2312780), (10, 1850224), (16, 1156390), (20, 925112), (32, 578195), (40, 462556), (80, 231278), (160, 115639), (197, 93920), (394, 46960), (587, 31520), (788, 23480), (985, 18784), (1174, 15760), (1576, 11740), (1970, 9392), (2348, 7880), (2935, 6304), (3152, 5870), (3940, 4696)]