18089778888

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{233}}^1\times {\mathrm{7237}}^1$

素因数の和:7631

約数の個数: 96

約数和(自身を含む): 49540491000

約数和(自身を除く): 31450712112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 233, 298, 447, 466, 596, 699, 894, 932, 1192, 1341, 1398, 1788, 1864, 2097, 2682, 2796, 3576, 4194, 5364, 5592, 7237, 8388, 10728, 14474, 16776, 21711, 28948, 34717, 43422, 57896, 65133, 69434, 86844, 104151, 130266, 138868, 173688, 208302, 260532, 277736, 312453, 416604, 521064, 624906, 833208, 1078313, 1249812, 1686221, 2156626, 2499624, 3234939, 3372442, 4313252, 5058663, 6469878, 6744884, 8626504, 9704817, 10117326, 12939756, 13489768, 15175989, 19409634, 20234652, 25879512, 30351978, 38819268, 40469304, 60703956, 77638536, 121407912, 251246929, 502493858, 753740787, 1004987716, 1507481574, 2009975432, 2261222361, 3014963148, 4522444722, 6029926296, 9044889444, 18089778888]

約数ペア:

[(1, 18089778888), (2, 9044889444), (3, 6029926296), (4, 4522444722), (6, 3014963148), (8, 2261222361), (9, 2009975432), (12, 1507481574), (18, 1004987716), (24, 753740787), (36, 502493858), (72, 251246929), (149, 121407912), (233, 77638536), (298, 60703956), (447, 40469304), (466, 38819268), (596, 30351978), (699, 25879512), (894, 20234652), (932, 19409634), (1192, 15175989), (1341, 13489768), (1398, 12939756), (1788, 10117326), (1864, 9704817), (2097, 8626504), (2682, 6744884), (2796, 6469878), (3576, 5058663), (4194, 4313252), (5364, 3372442), (5592, 3234939), (7237, 2499624), (8388, 2156626), (10728, 1686221), (14474, 1249812), (16776, 1078313), (21711, 833208), (28948, 624906), (34717, 521064), (43422, 416604), (57896, 312453), (65133, 277736), (69434, 260532), (86844, 208302), (104151, 173688), (130266, 138868)]