18521604

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 49172760

約数和(自身を除く): 30651156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 113, 116, 157, 174, 226, 261, 314, 339, 348, 452, 471, 522, 628, 678, 942, 1017, 1044, 1356, 1413, 1884, 2034, 2826, 3277, 4068, 4553, 5652, 6554, 9106, 9831, 13108, 13659, 17741, 18212, 19662, 27318, 29493, 35482, 39324, 40977, 53223, 54636, 58986, 70964, 81954, 106446, 117972, 159669, 163908, 212892, 319338, 514489, 638676, 1028978, 1543467, 2057956, 3086934, 4630401, 6173868, 9260802, 18521604]

約数ペア:

[(1, 18521604), (2, 9260802), (3, 6173868), (4, 4630401), (6, 3086934), (9, 2057956), (12, 1543467), (18, 1028978), (29, 638676), (36, 514489), (58, 319338), (87, 212892), (113, 163908), (116, 159669), (157, 117972), (174, 106446), (226, 81954), (261, 70964), (314, 58986), (339, 54636), (348, 53223), (452, 40977), (471, 39324), (522, 35482), (628, 29493), (678, 27318), (942, 19662), (1017, 18212), (1044, 17741), (1356, 13659), (1413, 13108), (1884, 9831), (2034, 9106), (2826, 6554), (3277, 5652), (4068, 4553)]