17784972

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{11489}}^1$

素因数の和:11542

約数の個数: 36

約数和(自身を含む): 46005960

約数和(自身を除く): 28220988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 11489, 22978, 34467, 45956, 68934, 103401, 137868, 206802, 413604, 494027, 988054, 1482081, 1976108, 2964162, 4446243, 5928324, 8892486, 17784972]

約数ペア:

[(1, 17784972), (2, 8892486), (3, 5928324), (4, 4446243), (6, 2964162), (9, 1976108), (12, 1482081), (18, 988054), (36, 494027), (43, 413604), (86, 206802), (129, 137868), (172, 103401), (258, 68934), (387, 45956), (516, 34467), (774, 22978), (1548, 11489)]