18218412

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{3923}}^1$

素因数の和:3979

約数の個数: 48

約数和(自身を含む): 48343680

約数和(自身を除く): 30125268

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, 3923, 4644, 7846, 11769, 15692, 23538, 35307, 47076, 70614, 105921, 141228, 168689, 211842, 337378, 423684, 506067, 674756, 1012134, 1518201, 2024268, 3036402, 4554603, 6072804, 9109206, 18218412]

約数ペア:

[(1, 18218412), (2, 9109206), (3, 6072804), (4, 4554603), (6, 3036402), (9, 2024268), (12, 1518201), (18, 1012134), (27, 674756), (36, 506067), (43, 423684), (54, 337378), (86, 211842), (108, 168689), (129, 141228), (172, 105921), (258, 70614), (387, 47076), (516, 35307), (774, 23538), (1161, 15692), (1548, 11769), (2322, 7846), (3923, 4644)]