18635648

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 39327120

約数和(自身を除く): 20691472

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 64, 67, 82, 106, 128, 134, 164, 212, 268, 328, 424, 536, 656, 848, 1072, 1312, 1696, 2144, 2173, 2624, 2747, 3392, 3551, 4288, 4346, 5248, 5494, 6784, 7102, 8576, 8692, 10988, 14204, 17384, 21976, 28408, 34768, 43952, 56816, 69536, 87904, 113632, 139072, 145591, 175808, 227264, 278144, 291182, 351616, 454528, 582364, 1164728, 2329456, 4658912, 9317824, 18635648]

約数ペア:

[(1, 18635648), (2, 9317824), (4, 4658912), (8, 2329456), (16, 1164728), (32, 582364), (41, 454528), (53, 351616), (64, 291182), (67, 278144), (82, 227264), (106, 175808), (128, 145591), (134, 139072), (164, 113632), (212, 87904), (268, 69536), (328, 56816), (424, 43952), (536, 34768), (656, 28408), (848, 21976), (1072, 17384), (1312, 14204), (1696, 10988), (2144, 8692), (2173, 8576), (2624, 7102), (2747, 6784), (3392, 5494), (3551, 5248), (4288, 4346)]