18418380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1223}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 33400884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1223, 1255, 1506, 2446, 2510, 3012, 3669, 3765, 4892, 5020, 6115, 7338, 7530, 12230, 14676, 15060, 18345, 24460, 36690, 73380, 306973, 613946, 920919, 1227892, 1534865, 1841838, 3069730, 3683676, 4604595, 6139460, 9209190, 18418380]

約数ペア:

[(1, 18418380), (2, 9209190), (3, 6139460), (4, 4604595), (5, 3683676), (6, 3069730), (10, 1841838), (12, 1534865), (15, 1227892), (20, 920919), (30, 613946), (60, 306973), (251, 73380), (502, 36690), (753, 24460), (1004, 18345), (1223, 15060), (1255, 14676), (1506, 12230), (2446, 7530), (2510, 7338), (3012, 6115), (3669, 5020), (3765, 4892)]