18493184

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 39735360

約数和(自身を除く): 21242176

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 53, 58, 64, 94, 106, 116, 128, 188, 212, 232, 256, 376, 424, 464, 752, 848, 928, 1363, 1504, 1537, 1696, 1856, 2491, 2726, 3008, 3074, 3392, 3712, 4982, 5452, 6016, 6148, 6784, 7424, 9964, 10904, 12032, 12296, 13568, 19928, 21808, 24592, 39856, 43616, 49184, 72239, 79712, 87232, 98368, 144478, 159424, 174464, 196736, 288956, 318848, 348928, 393472, 577912, 637696, 1155824, 2311648, 4623296, 9246592, 18493184]

約数ペア:

[(1, 18493184), (2, 9246592), (4, 4623296), (8, 2311648), (16, 1155824), (29, 637696), (32, 577912), (47, 393472), (53, 348928), (58, 318848), (64, 288956), (94, 196736), (106, 174464), (116, 159424), (128, 144478), (188, 98368), (212, 87232), (232, 79712), (256, 72239), (376, 49184), (424, 43616), (464, 39856), (752, 24592), (848, 21808), (928, 19928), (1363, 13568), (1504, 12296), (1537, 12032), (1696, 10904), (1856, 9964), (2491, 7424), (2726, 6784), (3008, 6148), (3074, 6016), (3392, 5452), (3712, 4982)]