12188790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{135431}}^1$

素因数の和:135444

約数の個数: 24

約数和(自身を含む): 31691088

約数和(自身を除く): 19502298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 135431, 270862, 406293, 677155, 812586, 1218879, 1354310, 2031465, 2437758, 4062930, 6094395, 12188790]

約数ペア:

[(1, 12188790), (2, 6094395), (3, 4062930), (5, 2437758), (6, 2031465), (9, 1354310), (10, 1218879), (15, 812586), (18, 677155), (30, 406293), (45, 270862), (90, 135431)]