18790016

素因数分解:

$2^7\times 7^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 43558080

約数和(自身を除く): 24768064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 268, 313, 448, 469, 536, 626, 896, 938, 1072, 1252, 1876, 2144, 2191, 2504, 3752, 4288, 4382, 5008, 7504, 8576, 8764, 10016, 15008, 17528, 20032, 20971, 30016, 35056, 40064, 41942, 60032, 70112, 83884, 140224, 146797, 167768, 280448, 293594, 335536, 587188, 671072, 1174376, 1342144, 2348752, 2684288, 4697504, 9395008, 18790016]

約数ペア:

[(1, 18790016), (2, 9395008), (4, 4697504), (7, 2684288), (8, 2348752), (14, 1342144), (16, 1174376), (28, 671072), (32, 587188), (56, 335536), (64, 293594), (67, 280448), (112, 167768), (128, 146797), (134, 140224), (224, 83884), (268, 70112), (313, 60032), (448, 41942), (469, 40064), (536, 35056), (626, 30016), (896, 20971), (938, 20032), (1072, 17528), (1252, 15008), (1876, 10016), (2144, 8764), (2191, 8576), (2504, 7504), (3752, 5008), (4288, 4382)]