19287639

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 37739520

約数和(自身を除く): 18451881

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 29, 51, 63, 69, 81, 87, 119, 153, 161, 189, 203, 207, 243, 261, 357, 391, 459, 483, 493, 567, 609, 621, 667, 783, 1071, 1173, 1377, 1449, 1479, 1701, 1827, 1863, 2001, 2349, 2737, 3213, 3451, 3519, 4131, 4347, 4437, 4669, 5481, 5589, 6003, 7047, 8211, 9639, 10353, 10557, 11339, 13041, 13311, 14007, 16443, 18009, 24633, 28917, 31059, 31671, 34017, 39123, 39933, 42021, 49329, 54027, 73899, 79373, 93177, 95013, 102051, 119799, 126063, 162081, 221697, 238119, 279531, 306153, 378189, 665091, 714357, 838593, 918459, 1134567, 2143071, 2755377, 6429213, 19287639]

約数ペア:

[(1, 19287639), (3, 6429213), (7, 2755377), (9, 2143071), (17, 1134567), (21, 918459), (23, 838593), (27, 714357), (29, 665091), (51, 378189), (63, 306153), (69, 279531), (81, 238119), (87, 221697), (119, 162081), (153, 126063), (161, 119799), (189, 102051), (203, 95013), (207, 93177), (243, 79373), (261, 73899), (357, 54027), (391, 49329), (459, 42021), (483, 39933), (493, 39123), (567, 34017), (609, 31671), (621, 31059), (667, 28917), (783, 24633), (1071, 18009), (1173, 16443), (1377, 14007), (1449, 13311), (1479, 13041), (1701, 11339), (1827, 10557), (1863, 10353), (2001, 9639), (2349, 8211), (2737, 7047), (3213, 6003), (3451, 5589), (3519, 5481), (4131, 4669), (4347, 4437)]