20181836032

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{8689}}^1$

素因数の和:8959

約数の個数: 72

約数和(自身を含む): 41421823520

約数和(自身を除く): 21239987488

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 211, 256, 344, 422, 688, 844, 1376, 1688, 2752, 3376, 5504, 6752, 8689, 9073, 11008, 13504, 17378, 18146, 27008, 34756, 36292, 54016, 69512, 72584, 139024, 145168, 278048, 290336, 373627, 556096, 580672, 747254, 1112192, 1161344, 1494508, 1833379, 2224384, 2322688, 2989016, 3666758, 5978032, 7333516, 11956064, 14667032, 23912128, 29334064, 47824256, 58668128, 78835297, 95648512, 117336256, 157670594, 234672512, 315341188, 469345024, 630682376, 1261364752, 2522729504, 5045459008, 10090918016, 20181836032]

約数ペア:

[(1, 20181836032), (2, 10090918016), (4, 5045459008), (8, 2522729504), (16, 1261364752), (32, 630682376), (43, 469345024), (64, 315341188), (86, 234672512), (128, 157670594), (172, 117336256), (211, 95648512), (256, 78835297), (344, 58668128), (422, 47824256), (688, 29334064), (844, 23912128), (1376, 14667032), (1688, 11956064), (2752, 7333516), (3376, 5978032), (5504, 3666758), (6752, 2989016), (8689, 2322688), (9073, 2224384), (11008, 1833379), (13504, 1494508), (17378, 1161344), (18146, 1112192), (27008, 747254), (34756, 580672), (36292, 556096), (54016, 373627), (69512, 290336), (72584, 278048), (139024, 145168)]