19018054

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:996

約数の個数: 24

約数和(自身を含む): 31744440

約数和(自身を除く): 12726386

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 883, 979, 1766, 1958, 9713, 10769, 19426, 21538, 78587, 106843, 157174, 213686, 864457, 1728914, 9509027, 19018054]

約数ペア:

[(1, 19018054), (2, 9509027), (11, 1728914), (22, 864457), (89, 213686), (121, 157174), (178, 106843), (242, 78587), (883, 21538), (979, 19426), (1766, 10769), (1958, 9713)]