18379218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 44642304

約数和(自身を除く): 26263086

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 341, 403, 429, 682, 691, 806, 858, 1023, 1209, 1382, 2046, 2073, 2418, 4146, 4433, 7601, 8866, 8983, 13299, 15202, 17966, 21421, 22803, 26598, 26949, 42842, 45606, 53898, 64263, 98813, 128526, 197626, 235631, 278473, 296439, 471262, 556946, 592878, 706893, 835419, 1413786, 1670838, 3063203, 6126406, 9189609, 18379218]

約数ペア:

[(1, 18379218), (2, 9189609), (3, 6126406), (6, 3063203), (11, 1670838), (13, 1413786), (22, 835419), (26, 706893), (31, 592878), (33, 556946), (39, 471262), (62, 296439), (66, 278473), (78, 235631), (93, 197626), (143, 128526), (186, 98813), (286, 64263), (341, 53898), (403, 45606), (429, 42842), (682, 26949), (691, 26598), (806, 22803), (858, 21421), (1023, 17966), (1209, 15202), (1382, 13299), (2046, 8983), (2073, 8866), (2418, 7601), (4146, 4433)]