19770944

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 56

約数和(自身を含む): 42062400

約数和(自身を除く): 22291456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 142, 152, 229, 284, 304, 458, 568, 608, 916, 1136, 1216, 1349, 1832, 2272, 2698, 3664, 4351, 4544, 5396, 7328, 8702, 10792, 14656, 16259, 17404, 21584, 32518, 34808, 43168, 65036, 69616, 86336, 130072, 139232, 260144, 278464, 308921, 520288, 617842, 1040576, 1235684, 2471368, 4942736, 9885472, 19770944]

約数ペア:

[(1, 19770944), (2, 9885472), (4, 4942736), (8, 2471368), (16, 1235684), (19, 1040576), (32, 617842), (38, 520288), (64, 308921), (71, 278464), (76, 260144), (142, 139232), (152, 130072), (229, 86336), (284, 69616), (304, 65036), (458, 43168), (568, 34808), (608, 32518), (916, 21584), (1136, 17404), (1216, 16259), (1349, 14656), (1832, 10792), (2272, 8702), (2698, 7328), (3664, 5396), (4351, 4544)]