19880058

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 24361062

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 139, 197, 242, 278, 363, 394, 417, 591, 726, 834, 1182, 1529, 2167, 3058, 4334, 4587, 6501, 9174, 13002, 16819, 23837, 27383, 33638, 47674, 50457, 54766, 71511, 82149, 100914, 143022, 164298, 301213, 602426, 903639, 1807278, 3313343, 6626686, 9940029, 19880058]

約数ペア:

[(1, 19880058), (2, 9940029), (3, 6626686), (6, 3313343), (11, 1807278), (22, 903639), (33, 602426), (66, 301213), (121, 164298), (139, 143022), (197, 100914), (242, 82149), (278, 71511), (363, 54766), (394, 50457), (417, 47674), (591, 33638), (726, 27383), (834, 23837), (1182, 16819), (1529, 13002), (2167, 9174), (3058, 6501), (4334, 4587)]