18644176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 37513224

約数和(自身を除く): 18869048

約数列:

[1, 2, 4, 8, 16, 41, 82, 97, 164, 194, 293, 328, 388, 586, 656, 776, 1172, 1552, 2344, 3977, 4688, 7954, 12013, 15908, 24026, 28421, 31816, 48052, 56842, 63632, 96104, 113684, 192208, 227368, 454736, 1165261, 2330522, 4661044, 9322088, 18644176]

約数ペア:

[(1, 18644176), (2, 9322088), (4, 4661044), (8, 2330522), (16, 1165261), (41, 454736), (82, 227368), (97, 192208), (164, 113684), (194, 96104), (293, 63632), (328, 56842), (388, 48052), (586, 31816), (656, 28421), (776, 24026), (1172, 15908), (1552, 12013), (2344, 7954), (3977, 4688)]