18318540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2801}}^1$

素因数の和:2922

約数の個数: 48

約数和(自身を含む): 51780960

約数和(自身を除く): 33462420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2801, 3270, 5602, 6540, 8403, 11204, 14005, 16806, 28010, 33612, 42015, 56020, 84030, 168060, 305309, 610618, 915927, 1221236, 1526545, 1831854, 3053090, 3663708, 4579635, 6106180, 9159270, 18318540]

約数ペア:

[(1, 18318540), (2, 9159270), (3, 6106180), (4, 4579635), (5, 3663708), (6, 3053090), (10, 1831854), (12, 1526545), (15, 1221236), (20, 915927), (30, 610618), (60, 305309), (109, 168060), (218, 84030), (327, 56020), (436, 42015), (545, 33612), (654, 28010), (1090, 16806), (1308, 14005), (1635, 11204), (2180, 8403), (2801, 6540), (3270, 5602)]