17978724

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 49827960

約数和(自身を除く): 31849236

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1013, 1044, 1479, 1972, 2026, 2958, 3039, 4052, 4437, 5916, 6078, 8874, 9117, 12156, 17221, 17748, 18234, 29377, 34442, 36468, 51663, 58754, 68884, 88131, 103326, 117508, 154989, 176262, 206652, 264393, 309978, 352524, 499409, 528786, 619956, 998818, 1057572, 1498227, 1997636, 2996454, 4494681, 5992908, 8989362, 17978724]

約数ペア:

[(1, 17978724), (2, 8989362), (3, 5992908), (4, 4494681), (6, 2996454), (9, 1997636), (12, 1498227), (17, 1057572), (18, 998818), (29, 619956), (34, 528786), (36, 499409), (51, 352524), (58, 309978), (68, 264393), (87, 206652), (102, 176262), (116, 154989), (153, 117508), (174, 103326), (204, 88131), (261, 68884), (306, 58754), (348, 51663), (493, 36468), (522, 34442), (612, 29377), (986, 18234), (1013, 17748), (1044, 17221), (1479, 12156), (1972, 9117), (2026, 8874), (2958, 6078), (3039, 5916), (4052, 4437)]