19127880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 45672120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 89, 90, 108, 120, 135, 178, 180, 199, 216, 267, 270, 356, 360, 398, 445, 534, 540, 597, 712, 796, 801, 890, 995, 1068, 1080, 1194, 1335, 1592, 1602, 1780, 1791, 1990, 2136, 2388, 2403, 2670, 2985, 3204, 3560, 3582, 3980, 4005, 4776, 4806, 5340, 5373, 5970, 6408, 7164, 7960, 8010, 8955, 9612, 10680, 10746, 11940, 12015, 14328, 16020, 17711, 17910, 19224, 21492, 23880, 24030, 26865, 32040, 35422, 35820, 42984, 48060, 53133, 53730, 70844, 71640, 88555, 96120, 106266, 107460, 141688, 159399, 177110, 212532, 214920, 265665, 318798, 354220, 425064, 478197, 531330, 637596, 708440, 796995, 956394, 1062660, 1275192, 1593990, 1912788, 2125320, 2390985, 3187980, 3825576, 4781970, 6375960, 9563940, 19127880]

約数ペア:

[(1, 19127880), (2, 9563940), (3, 6375960), (4, 4781970), (5, 3825576), (6, 3187980), (8, 2390985), (9, 2125320), (10, 1912788), (12, 1593990), (15, 1275192), (18, 1062660), (20, 956394), (24, 796995), (27, 708440), (30, 637596), (36, 531330), (40, 478197), (45, 425064), (54, 354220), (60, 318798), (72, 265665), (89, 214920), (90, 212532), (108, 177110), (120, 159399), (135, 141688), (178, 107460), (180, 106266), (199, 96120), (216, 88555), (267, 71640), (270, 70844), (356, 53730), (360, 53133), (398, 48060), (445, 42984), (534, 35820), (540, 35422), (597, 32040), (712, 26865), (796, 24030), (801, 23880), (890, 21492), (995, 19224), (1068, 17910), (1080, 17711), (1194, 16020), (1335, 14328), (1592, 12015), (1602, 11940), (1780, 10746), (1791, 10680), (1990, 9612), (2136, 8955), (2388, 8010), (2403, 7960), (2670, 7164), (2985, 6408), (3204, 5970), (3560, 5373), (3582, 5340), (3980, 4806), (4005, 4776)]