18526040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 46872000

約数和(自身を除く): 28345960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1549, 2392, 2990, 3098, 5980, 6196, 7745, 11960, 12392, 15490, 20137, 30980, 35627, 40274, 61960, 71254, 80548, 100685, 142508, 161096, 178135, 201370, 285016, 356270, 402740, 463151, 712540, 805480, 926302, 1425080, 1852604, 2315755, 3705208, 4631510, 9263020, 18526040]

約数ペア:

[(1, 18526040), (2, 9263020), (4, 4631510), (5, 3705208), (8, 2315755), (10, 1852604), (13, 1425080), (20, 926302), (23, 805480), (26, 712540), (40, 463151), (46, 402740), (52, 356270), (65, 285016), (92, 201370), (104, 178135), (115, 161096), (130, 142508), (184, 100685), (230, 80548), (260, 71254), (299, 61960), (460, 40274), (520, 35627), (598, 30980), (920, 20137), (1196, 15490), (1495, 12392), (1549, 11960), (2392, 7745), (2990, 6196), (3098, 5980)]