18726897712

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1\times {\mathrm{1231}}^1$

素因数の和:1946

約数の個数: 80

約数和(自身を含む): 38519534592

約数和(自身を除く): 19792636880

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 134, 184, 268, 368, 536, 617, 1072, 1231, 1234, 1541, 2462, 2468, 3082, 4924, 4936, 6164, 9848, 9872, 12328, 14191, 19696, 24656, 28313, 28382, 41339, 56626, 56764, 82477, 82678, 113252, 113528, 164954, 165356, 226504, 227056, 329908, 330712, 453008, 659816, 661424, 759527, 950797, 1319632, 1519054, 1896971, 1901594, 3038108, 3793942, 3803188, 6076216, 7587884, 7606376, 12152432, 15175768, 15212752, 17469121, 30351536, 34938242, 50888309, 69876484, 101776618, 139752968, 203553236, 279505936, 407106472, 814212944, 1170431107, 2340862214, 4681724428, 9363448856, 18726897712]

約数ペア:

[(1, 18726897712), (2, 9363448856), (4, 4681724428), (8, 2340862214), (16, 1170431107), (23, 814212944), (46, 407106472), (67, 279505936), (92, 203553236), (134, 139752968), (184, 101776618), (268, 69876484), (368, 50888309), (536, 34938242), (617, 30351536), (1072, 17469121), (1231, 15212752), (1234, 15175768), (1541, 12152432), (2462, 7606376), (2468, 7587884), (3082, 6076216), (4924, 3803188), (4936, 3793942), (6164, 3038108), (9848, 1901594), (9872, 1896971), (12328, 1519054), (14191, 1319632), (19696, 950797), (24656, 759527), (28313, 661424), (28382, 659816), (41339, 453008), (56626, 330712), (56764, 329908), (82477, 227056), (82678, 226504), (113252, 165356), (113528, 164954)]