19990247002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1067741}}^1$

素因数の和:1067814

約数の個数: 32

約数和(自身を含む): 35056105344

約数和(自身を除く): 15065858342

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1702, 9361, 18722, 1067741, 2135482, 11745151, 23490302, 24558043, 39506417, 49116086, 79012834, 270138473, 434570587, 540276946, 869141174, 908647591, 1817295182, 9995123501, 19990247002]

約数ペア:

[(1, 19990247002), (2, 9995123501), (11, 1817295182), (22, 908647591), (23, 869141174), (37, 540276946), (46, 434570587), (74, 270138473), (253, 79012834), (407, 49116086), (506, 39506417), (814, 24558043), (851, 23490302), (1702, 11745151), (9361, 2135482), (18722, 1067741)]