16639744

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 38263680

約数和(自身を除く): 21623936

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 256, 304, 311, 352, 418, 608, 622, 704, 836, 1216, 1244, 1408, 1672, 2432, 2488, 2816, 3344, 3421, 4864, 4976, 5909, 6688, 6842, 9952, 11818, 13376, 13684, 19904, 23636, 26752, 27368, 39808, 47272, 53504, 54736, 64999, 79616, 94544, 109472, 129998, 189088, 218944, 259996, 378176, 437888, 519992, 756352, 875776, 1039984, 1512704, 2079968, 4159936, 8319872, 16639744]

約数ペア:

[(1, 16639744), (2, 8319872), (4, 4159936), (8, 2079968), (11, 1512704), (16, 1039984), (19, 875776), (22, 756352), (32, 519992), (38, 437888), (44, 378176), (64, 259996), (76, 218944), (88, 189088), (128, 129998), (152, 109472), (176, 94544), (209, 79616), (256, 64999), (304, 54736), (311, 53504), (352, 47272), (418, 39808), (608, 27368), (622, 26752), (704, 23636), (836, 19904), (1216, 13684), (1244, 13376), (1408, 11818), (1672, 9952), (2432, 6842), (2488, 6688), (2816, 5909), (3344, 4976), (3421, 4864)]