19129560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 43078440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 239, 276, 290, 345, 348, 435, 460, 478, 552, 580, 667, 690, 696, 717, 870, 920, 956, 1160, 1195, 1334, 1380, 1434, 1740, 1912, 2001, 2390, 2668, 2760, 2868, 3335, 3480, 3585, 4002, 4780, 5336, 5497, 5736, 6670, 6931, 7170, 8004, 9560, 10005, 10994, 13340, 13862, 14340, 16008, 16491, 20010, 20793, 21988, 26680, 27485, 27724, 28680, 32982, 34655, 40020, 41586, 43976, 54970, 55448, 65964, 69310, 80040, 82455, 83172, 103965, 109940, 131928, 138620, 159413, 164910, 166344, 207930, 219880, 277240, 318826, 329820, 415860, 478239, 637652, 659640, 797065, 831720, 956478, 1275304, 1594130, 1912956, 2391195, 3188260, 3825912, 4782390, 6376520, 9564780, 19129560]

約数ペア:

[(1, 19129560), (2, 9564780), (3, 6376520), (4, 4782390), (5, 3825912), (6, 3188260), (8, 2391195), (10, 1912956), (12, 1594130), (15, 1275304), (20, 956478), (23, 831720), (24, 797065), (29, 659640), (30, 637652), (40, 478239), (46, 415860), (58, 329820), (60, 318826), (69, 277240), (87, 219880), (92, 207930), (115, 166344), (116, 164910), (120, 159413), (138, 138620), (145, 131928), (174, 109940), (184, 103965), (230, 83172), (232, 82455), (239, 80040), (276, 69310), (290, 65964), (345, 55448), (348, 54970), (435, 43976), (460, 41586), (478, 40020), (552, 34655), (580, 32982), (667, 28680), (690, 27724), (696, 27485), (717, 26680), (870, 21988), (920, 20793), (956, 20010), (1160, 16491), (1195, 16008), (1334, 14340), (1380, 13862), (1434, 13340), (1740, 10994), (1912, 10005), (2001, 9560), (2390, 8004), (2668, 7170), (2760, 6931), (2868, 6670), (3335, 5736), (3480, 5497), (3585, 5336), (4002, 4780)]