18111380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18481}}^1$

素因数の和:18504

約数の個数: 36

約数和(自身を含む): 44245908

約数和(自身を除く): 26134528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18481, 36962, 73924, 92405, 129367, 184810, 258734, 369620, 517468, 646835, 905569, 1293670, 1811138, 2587340, 3622276, 4527845, 9055690, 18111380]

約数ペア:

[(1, 18111380), (2, 9055690), (4, 4527845), (5, 3622276), (7, 2587340), (10, 1811138), (14, 1293670), (20, 905569), (28, 646835), (35, 517468), (49, 369620), (70, 258734), (98, 184810), (140, 129367), (196, 92405), (245, 73924), (490, 36962), (980, 18481)]