18071982

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 40428960

約数和(自身を除く): 22356978

約数列:

[1, 2, 3, 6, 9, 18, 61, 109, 122, 151, 183, 218, 302, 327, 366, 453, 549, 654, 906, 981, 1098, 1359, 1962, 2718, 6649, 9211, 13298, 16459, 18422, 19947, 27633, 32918, 39894, 49377, 55266, 59841, 82899, 98754, 119682, 148131, 165798, 296262, 1003999, 2007998, 3011997, 6023994, 9035991, 18071982]

約数ペア:

[(1, 18071982), (2, 9035991), (3, 6023994), (6, 3011997), (9, 2007998), (18, 1003999), (61, 296262), (109, 165798), (122, 148131), (151, 119682), (183, 98754), (218, 82899), (302, 59841), (327, 55266), (366, 49377), (453, 39894), (549, 32918), (654, 27633), (906, 19947), (981, 18422), (1098, 16459), (1359, 13298), (1962, 9211), (2718, 6649)]