18580644

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4057

約数の個数: 48

約数和(自身を含む): 49304640

約数和(自身を除く): 30723996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4001, 4644, 8002, 12003, 16004, 24006, 36009, 48012, 72018, 108027, 144036, 172043, 216054, 344086, 432108, 516129, 688172, 1032258, 1548387, 2064516, 3096774, 4645161, 6193548, 9290322, 18580644]

約数ペア:

[(1, 18580644), (2, 9290322), (3, 6193548), (4, 4645161), (6, 3096774), (9, 2064516), (12, 1548387), (18, 1032258), (27, 688172), (36, 516129), (43, 432108), (54, 344086), (86, 216054), (108, 172043), (129, 144036), (172, 108027), (258, 72018), (387, 48012), (516, 36009), (774, 24006), (1161, 16004), (1548, 12003), (2322, 8002), (4001, 4644)]