19491000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 62337600

約数和(自身を除く): 42846600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 73, 75, 89, 100, 120, 125, 146, 150, 178, 200, 219, 250, 267, 292, 300, 356, 365, 375, 438, 445, 500, 534, 584, 600, 712, 730, 750, 876, 890, 1000, 1068, 1095, 1335, 1460, 1500, 1752, 1780, 1825, 2136, 2190, 2225, 2670, 2920, 3000, 3560, 3650, 4380, 4450, 5340, 5475, 6497, 6675, 7300, 8760, 8900, 9125, 10680, 10950, 11125, 12994, 13350, 14600, 17800, 18250, 19491, 21900, 22250, 25988, 26700, 27375, 32485, 33375, 36500, 38982, 43800, 44500, 51976, 53400, 54750, 64970, 66750, 73000, 77964, 89000, 97455, 109500, 129940, 133500, 155928, 162425, 194910, 219000, 259880, 267000, 324850, 389820, 487275, 649700, 779640, 812125, 974550, 1299400, 1624250, 1949100, 2436375, 3248500, 3898200, 4872750, 6497000, 9745500, 19491000]

約数ペア:

[(1, 19491000), (2, 9745500), (3, 6497000), (4, 4872750), (5, 3898200), (6, 3248500), (8, 2436375), (10, 1949100), (12, 1624250), (15, 1299400), (20, 974550), (24, 812125), (25, 779640), (30, 649700), (40, 487275), (50, 389820), (60, 324850), (73, 267000), (75, 259880), (89, 219000), (100, 194910), (120, 162425), (125, 155928), (146, 133500), (150, 129940), (178, 109500), (200, 97455), (219, 89000), (250, 77964), (267, 73000), (292, 66750), (300, 64970), (356, 54750), (365, 53400), (375, 51976), (438, 44500), (445, 43800), (500, 38982), (534, 36500), (584, 33375), (600, 32485), (712, 27375), (730, 26700), (750, 25988), (876, 22250), (890, 21900), (1000, 19491), (1068, 18250), (1095, 17800), (1335, 14600), (1460, 13350), (1500, 12994), (1752, 11125), (1780, 10950), (1825, 10680), (2136, 9125), (2190, 8900), (2225, 8760), (2670, 7300), (2920, 6675), (3000, 6497), (3560, 5475), (3650, 5340), (4380, 4450)]