19571008

素因数分解:

$2^6\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:215

約数の個数: 56

約数和(自身を含む): 40599360

約数和(自身を除く): 21028352

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 71, 73, 118, 142, 146, 236, 284, 292, 472, 568, 584, 944, 1136, 1168, 1888, 2272, 2336, 3776, 4189, 4307, 4544, 4672, 5183, 8378, 8614, 10366, 16756, 17228, 20732, 33512, 34456, 41464, 67024, 68912, 82928, 134048, 137824, 165856, 268096, 275648, 305797, 331712, 611594, 1223188, 2446376, 4892752, 9785504, 19571008]

約数ペア:

[(1, 19571008), (2, 9785504), (4, 4892752), (8, 2446376), (16, 1223188), (32, 611594), (59, 331712), (64, 305797), (71, 275648), (73, 268096), (118, 165856), (142, 137824), (146, 134048), (236, 82928), (284, 68912), (292, 67024), (472, 41464), (568, 34456), (584, 33512), (944, 20732), (1136, 17228), (1168, 16756), (1888, 10366), (2272, 8614), (2336, 8378), (3776, 5183), (4189, 4672), (4307, 4544)]