19820376

素因数分解:

$2^3\times 3^4\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 56410200

約数和(自身を除く): 36589824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 292, 324, 419, 438, 584, 648, 657, 838, 876, 1257, 1314, 1676, 1752, 1971, 2514, 2628, 3352, 3771, 3942, 5028, 5256, 5913, 7542, 7884, 10056, 11313, 11826, 15084, 15768, 22626, 23652, 30168, 30587, 33939, 45252, 47304, 61174, 67878, 90504, 91761, 122348, 135756, 183522, 244696, 271512, 275283, 367044, 550566, 734088, 825849, 1101132, 1651698, 2202264, 2477547, 3303396, 4955094, 6606792, 9910188, 19820376]

約数ペア:

[(1, 19820376), (2, 9910188), (3, 6606792), (4, 4955094), (6, 3303396), (8, 2477547), (9, 2202264), (12, 1651698), (18, 1101132), (24, 825849), (27, 734088), (36, 550566), (54, 367044), (72, 275283), (73, 271512), (81, 244696), (108, 183522), (146, 135756), (162, 122348), (216, 91761), (219, 90504), (292, 67878), (324, 61174), (419, 47304), (438, 45252), (584, 33939), (648, 30587), (657, 30168), (838, 23652), (876, 22626), (1257, 15768), (1314, 15084), (1676, 11826), (1752, 11313), (1971, 10056), (2514, 7884), (2628, 7542), (3352, 5913), (3771, 5256), (3942, 5028)]