19796624

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 39714720

約数和(自身を除く): 19918096

約数列:

[1, 2, 4, 8, 16, 59, 67, 118, 134, 236, 268, 313, 472, 536, 626, 944, 1072, 1252, 2504, 3953, 5008, 7906, 15812, 18467, 20971, 31624, 36934, 41942, 63248, 73868, 83884, 147736, 167768, 295472, 335536, 1237289, 2474578, 4949156, 9898312, 19796624]

約数ペア:

[(1, 19796624), (2, 9898312), (4, 4949156), (8, 2474578), (16, 1237289), (59, 335536), (67, 295472), (118, 167768), (134, 147736), (236, 83884), (268, 73868), (313, 63248), (472, 41942), (536, 36934), (626, 31624), (944, 20971), (1072, 18467), (1252, 15812), (2504, 7906), (3953, 5008)]