19626894

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 50342400

約数和(自身を除く): 30715506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 137, 189, 274, 378, 379, 411, 758, 822, 959, 1137, 1233, 1918, 2274, 2466, 2653, 2877, 3411, 3699, 5306, 5754, 6822, 7398, 7959, 8631, 10233, 15918, 17262, 20466, 23877, 25893, 47754, 51786, 51923, 71631, 103846, 143262, 155769, 311538, 363461, 467307, 726922, 934614, 1090383, 1401921, 2180766, 2803842, 3271149, 6542298, 9813447, 19626894]

約数ペア:

[(1, 19626894), (2, 9813447), (3, 6542298), (6, 3271149), (7, 2803842), (9, 2180766), (14, 1401921), (18, 1090383), (21, 934614), (27, 726922), (42, 467307), (54, 363461), (63, 311538), (126, 155769), (137, 143262), (189, 103846), (274, 71631), (378, 51923), (379, 51786), (411, 47754), (758, 25893), (822, 23877), (959, 20466), (1137, 17262), (1233, 15918), (1918, 10233), (2274, 8631), (2466, 7959), (2653, 7398), (2877, 6822), (3411, 5754), (3699, 5306)]