18834688

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 40471200

約数和(自身を除く): 21636512

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 59, 64, 86, 116, 118, 128, 172, 232, 236, 256, 344, 464, 472, 688, 928, 944, 1247, 1376, 1711, 1856, 1888, 2494, 2537, 2752, 3422, 3712, 3776, 4988, 5074, 5504, 6844, 7424, 7552, 9976, 10148, 11008, 13688, 15104, 19952, 20296, 27376, 39904, 40592, 54752, 73573, 79808, 81184, 109504, 147146, 159616, 162368, 219008, 294292, 319232, 324736, 438016, 588584, 649472, 1177168, 2354336, 4708672, 9417344, 18834688]

約数ペア:

[(1, 18834688), (2, 9417344), (4, 4708672), (8, 2354336), (16, 1177168), (29, 649472), (32, 588584), (43, 438016), (58, 324736), (59, 319232), (64, 294292), (86, 219008), (116, 162368), (118, 159616), (128, 147146), (172, 109504), (232, 81184), (236, 79808), (256, 73573), (344, 54752), (464, 40592), (472, 39904), (688, 27376), (928, 20296), (944, 19952), (1247, 15104), (1376, 13688), (1711, 11008), (1856, 10148), (1888, 9976), (2494, 7552), (2537, 7424), (2752, 6844), (3422, 5504), (3712, 5074), (3776, 4988)]