18330368

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 42825888

約数和(自身を除く): 24495520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 193, 212, 224, 256, 371, 386, 424, 448, 742, 772, 848, 896, 1351, 1484, 1544, 1696, 1792, 2702, 2968, 3088, 3392, 5404, 5936, 6176, 6784, 10229, 10808, 11872, 12352, 13568, 20458, 21616, 23744, 24704, 40916, 43232, 47488, 49408, 71603, 81832, 86464, 94976, 143206, 163664, 172928, 286412, 327328, 345856, 572824, 654656, 1145648, 1309312, 2291296, 2618624, 4582592, 9165184, 18330368]

約数ペア:

[(1, 18330368), (2, 9165184), (4, 4582592), (7, 2618624), (8, 2291296), (14, 1309312), (16, 1145648), (28, 654656), (32, 572824), (53, 345856), (56, 327328), (64, 286412), (106, 172928), (112, 163664), (128, 143206), (193, 94976), (212, 86464), (224, 81832), (256, 71603), (371, 49408), (386, 47488), (424, 43232), (448, 40916), (742, 24704), (772, 23744), (848, 21616), (896, 20458), (1351, 13568), (1484, 12352), (1544, 11872), (1696, 10808), (1792, 10229), (2702, 6784), (2968, 6176), (3088, 5936), (3392, 5404)]