19875520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:510

約数の個数: 112

約数和(自身を含む): 57058560

約数和(自身を除く): 37183040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 467, 532, 560, 608, 665, 760, 934, 1064, 1120, 1216, 1330, 1520, 1868, 2128, 2240, 2335, 2660, 3040, 3269, 3736, 4256, 4670, 5320, 6080, 6538, 7472, 8512, 8873, 9340, 10640, 13076, 14944, 16345, 17746, 18680, 21280, 26152, 29888, 32690, 35492, 37360, 42560, 44365, 52304, 62111, 65380, 70984, 74720, 88730, 104608, 124222, 130760, 141968, 149440, 177460, 209216, 248444, 261520, 283936, 310555, 354920, 496888, 523040, 567872, 621110, 709840, 993776, 1046080, 1242220, 1419680, 1987552, 2484440, 2839360, 3975104, 4968880, 9937760, 19875520]

約数ペア:

[(1, 19875520), (2, 9937760), (4, 4968880), (5, 3975104), (7, 2839360), (8, 2484440), (10, 1987552), (14, 1419680), (16, 1242220), (19, 1046080), (20, 993776), (28, 709840), (32, 621110), (35, 567872), (38, 523040), (40, 496888), (56, 354920), (64, 310555), (70, 283936), (76, 261520), (80, 248444), (95, 209216), (112, 177460), (133, 149440), (140, 141968), (152, 130760), (160, 124222), (190, 104608), (224, 88730), (266, 74720), (280, 70984), (304, 65380), (320, 62111), (380, 52304), (448, 44365), (467, 42560), (532, 37360), (560, 35492), (608, 32690), (665, 29888), (760, 26152), (934, 21280), (1064, 18680), (1120, 17746), (1216, 16345), (1330, 14944), (1520, 13076), (1868, 10640), (2128, 9340), (2240, 8873), (2335, 8512), (2660, 7472), (3040, 6538), (3269, 6080), (3736, 5320), (4256, 4670)]