18754470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9923}}^1$

素因数の和:9946

約数の個数: 64

約数和(自身を含む): 57162240

約数和(自身を除く): 38407770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9923, 19846, 29769, 49615, 59538, 69461, 89307, 99230, 138922, 148845, 178614, 208383, 267921, 297690, 347305, 416766, 446535, 535842, 625149, 694610, 893070, 1041915, 1250298, 1339605, 1875447, 2083830, 2679210, 3125745, 3750894, 6251490, 9377235, 18754470]

約数ペア:

[(1, 18754470), (2, 9377235), (3, 6251490), (5, 3750894), (6, 3125745), (7, 2679210), (9, 2083830), (10, 1875447), (14, 1339605), (15, 1250298), (18, 1041915), (21, 893070), (27, 694610), (30, 625149), (35, 535842), (42, 446535), (45, 416766), (54, 347305), (63, 297690), (70, 267921), (90, 208383), (105, 178614), (126, 148845), (135, 138922), (189, 99230), (210, 89307), (270, 69461), (315, 59538), (378, 49615), (630, 29769), (945, 19846), (1890, 9923)]