19795980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 39555060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 290, 310, 348, 367, 372, 435, 465, 580, 620, 734, 870, 899, 930, 1101, 1468, 1740, 1798, 1835, 1860, 2202, 2697, 3596, 3670, 4404, 4495, 5394, 5505, 7340, 8990, 10643, 10788, 11010, 11377, 13485, 17980, 21286, 22020, 22754, 26970, 31929, 34131, 42572, 45508, 53215, 53940, 56885, 63858, 68262, 106430, 113770, 127716, 136524, 159645, 170655, 212860, 227540, 319290, 329933, 341310, 638580, 659866, 682620, 989799, 1319732, 1649665, 1979598, 3299330, 3959196, 4948995, 6598660, 9897990, 19795980]

約数ペア:

[(1, 19795980), (2, 9897990), (3, 6598660), (4, 4948995), (5, 3959196), (6, 3299330), (10, 1979598), (12, 1649665), (15, 1319732), (20, 989799), (29, 682620), (30, 659866), (31, 638580), (58, 341310), (60, 329933), (62, 319290), (87, 227540), (93, 212860), (116, 170655), (124, 159645), (145, 136524), (155, 127716), (174, 113770), (186, 106430), (290, 68262), (310, 63858), (348, 56885), (367, 53940), (372, 53215), (435, 45508), (465, 42572), (580, 34131), (620, 31929), (734, 26970), (870, 22754), (899, 22020), (930, 21286), (1101, 17980), (1468, 13485), (1740, 11377), (1798, 11010), (1835, 10788), (1860, 10643), (2202, 8990), (2697, 7340), (3596, 5505), (3670, 5394), (4404, 4495)]