19879416

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6421}}^1$

素因数の和:6476

約数の個数: 48

約数和(自身を含む): 55100760

約数和(自身を除く): 35221344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6421, 12842, 19263, 25684, 38526, 51368, 57789, 77052, 115578, 154104, 231156, 276103, 462312, 552206, 828309, 1104412, 1656618, 2208824, 2484927, 3313236, 4969854, 6626472, 9939708, 19879416]

約数ペア:

[(1, 19879416), (2, 9939708), (3, 6626472), (4, 4969854), (6, 3313236), (8, 2484927), (9, 2208824), (12, 1656618), (18, 1104412), (24, 828309), (36, 552206), (43, 462312), (72, 276103), (86, 231156), (129, 154104), (172, 115578), (258, 77052), (344, 57789), (387, 51368), (516, 38526), (774, 25684), (1032, 19263), (1548, 12842), (3096, 6421)]