12391648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 26082000

約数和(自身を除く): 13690352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 89, 152, 178, 229, 304, 356, 458, 608, 712, 916, 1424, 1691, 1832, 2848, 3382, 3664, 4351, 6764, 7328, 8702, 13528, 17404, 20381, 27056, 34808, 40762, 54112, 69616, 81524, 139232, 163048, 326096, 387239, 652192, 774478, 1548956, 3097912, 6195824, 12391648]

約数ペア:

[(1, 12391648), (2, 6195824), (4, 3097912), (8, 1548956), (16, 774478), (19, 652192), (32, 387239), (38, 326096), (76, 163048), (89, 139232), (152, 81524), (178, 69616), (229, 54112), (304, 40762), (356, 34808), (458, 27056), (608, 20381), (712, 17404), (916, 13528), (1424, 8702), (1691, 7328), (1832, 6764), (2848, 4351), (3382, 3664)]