18355840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 48470400

約数和(自身を除く): 30114560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 43, 46, 58, 64, 80, 86, 92, 115, 116, 128, 145, 160, 172, 184, 215, 230, 232, 290, 320, 344, 368, 430, 460, 464, 580, 640, 667, 688, 736, 860, 920, 928, 989, 1160, 1247, 1334, 1376, 1472, 1720, 1840, 1856, 1978, 2320, 2494, 2668, 2752, 2944, 3335, 3440, 3680, 3712, 3956, 4640, 4945, 4988, 5336, 5504, 6235, 6670, 6880, 7360, 7912, 9280, 9890, 9976, 10672, 12470, 13340, 13760, 14720, 15824, 18560, 19780, 19952, 21344, 24940, 26680, 27520, 28681, 31648, 39560, 39904, 42688, 49880, 53360, 57362, 63296, 79120, 79808, 85376, 99760, 106720, 114724, 126592, 143405, 158240, 159616, 199520, 213440, 229448, 286810, 316480, 399040, 426880, 458896, 573620, 632960, 798080, 917792, 1147240, 1835584, 2294480, 3671168, 4588960, 9177920, 18355840]

約数ペア:

[(1, 18355840), (2, 9177920), (4, 4588960), (5, 3671168), (8, 2294480), (10, 1835584), (16, 1147240), (20, 917792), (23, 798080), (29, 632960), (32, 573620), (40, 458896), (43, 426880), (46, 399040), (58, 316480), (64, 286810), (80, 229448), (86, 213440), (92, 199520), (115, 159616), (116, 158240), (128, 143405), (145, 126592), (160, 114724), (172, 106720), (184, 99760), (215, 85376), (230, 79808), (232, 79120), (290, 63296), (320, 57362), (344, 53360), (368, 49880), (430, 42688), (460, 39904), (464, 39560), (580, 31648), (640, 28681), (667, 27520), (688, 26680), (736, 24940), (860, 21344), (920, 19952), (928, 19780), (989, 18560), (1160, 15824), (1247, 14720), (1334, 13760), (1376, 13340), (1472, 12470), (1720, 10672), (1840, 9976), (1856, 9890), (1978, 9280), (2320, 7912), (2494, 7360), (2668, 6880), (2752, 6670), (2944, 6235), (3335, 5504), (3440, 5336), (3680, 4988), (3712, 4945), (3956, 4640)]