18775040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:237

約数の個数: 88

約数和(自身を含む): 47654160

約数和(自身を除く): 28879120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 193, 256, 304, 320, 380, 386, 512, 608, 640, 760, 772, 965, 1024, 1216, 1280, 1520, 1544, 1930, 2432, 2560, 3040, 3088, 3667, 3860, 4864, 5120, 6080, 6176, 7334, 7720, 9728, 12160, 12352, 14668, 15440, 18335, 19456, 24320, 24704, 29336, 30880, 36670, 48640, 49408, 58672, 61760, 73340, 97280, 98816, 117344, 123520, 146680, 197632, 234688, 247040, 293360, 469376, 494080, 586720, 938752, 988160, 1173440, 1877504, 2346880, 3755008, 4693760, 9387520, 18775040]

約数ペア:

[(1, 18775040), (2, 9387520), (4, 4693760), (5, 3755008), (8, 2346880), (10, 1877504), (16, 1173440), (19, 988160), (20, 938752), (32, 586720), (38, 494080), (40, 469376), (64, 293360), (76, 247040), (80, 234688), (95, 197632), (128, 146680), (152, 123520), (160, 117344), (190, 98816), (193, 97280), (256, 73340), (304, 61760), (320, 58672), (380, 49408), (386, 48640), (512, 36670), (608, 30880), (640, 29336), (760, 24704), (772, 24320), (965, 19456), (1024, 18335), (1216, 15440), (1280, 14668), (1520, 12352), (1544, 12160), (1930, 9728), (2432, 7720), (2560, 7334), (3040, 6176), (3088, 6080), (3667, 5120), (3860, 4864)]