19796700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 71495424

約数和(自身を除く): 51698724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 857, 924, 1050, 1100, 1155, 1540, 1650, 1714, 1925, 2100, 2310, 2571, 3300, 3428, 3850, 4285, 4620, 5142, 5775, 5999, 7700, 8570, 9427, 10284, 11550, 11998, 12855, 17140, 17997, 18854, 21425, 23100, 23996, 25710, 28281, 29995, 35994, 37708, 42850, 47135, 51420, 56562, 59990, 64275, 65989, 71988, 85700, 89985, 94270, 113124, 119980, 128550, 131978, 141405, 149975, 179970, 188540, 197967, 235675, 257100, 263956, 282810, 299950, 329945, 359940, 395934, 449925, 471350, 565620, 599900, 659890, 707025, 791868, 899850, 942700, 989835, 1319780, 1414050, 1649725, 1799700, 1979670, 2828100, 3299450, 3959340, 4949175, 6598900, 9898350, 19796700]

約数ペア:

[(1, 19796700), (2, 9898350), (3, 6598900), (4, 4949175), (5, 3959340), (6, 3299450), (7, 2828100), (10, 1979670), (11, 1799700), (12, 1649725), (14, 1414050), (15, 1319780), (20, 989835), (21, 942700), (22, 899850), (25, 791868), (28, 707025), (30, 659890), (33, 599900), (35, 565620), (42, 471350), (44, 449925), (50, 395934), (55, 359940), (60, 329945), (66, 299950), (70, 282810), (75, 263956), (77, 257100), (84, 235675), (100, 197967), (105, 188540), (110, 179970), (132, 149975), (140, 141405), (150, 131978), (154, 128550), (165, 119980), (175, 113124), (210, 94270), (220, 89985), (231, 85700), (275, 71988), (300, 65989), (308, 64275), (330, 59990), (350, 56562), (385, 51420), (420, 47135), (462, 42850), (525, 37708), (550, 35994), (660, 29995), (700, 28281), (770, 25710), (825, 23996), (857, 23100), (924, 21425), (1050, 18854), (1100, 17997), (1155, 17140), (1540, 12855), (1650, 11998), (1714, 11550), (1925, 10284), (2100, 9427), (2310, 8570), (2571, 7700), (3300, 5999), (3428, 5775), (3850, 5142), (4285, 4620)]