19969664

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 46781280

約数和(自身を除く): 26811616

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1091, 1144, 1408, 1664, 2182, 2288, 4364, 4576, 8728, 9152, 12001, 14183, 17456, 18304, 24002, 28366, 34912, 48004, 56732, 69824, 96008, 113464, 139648, 156013, 192016, 226928, 312026, 384032, 453856, 624052, 768064, 907712, 1248104, 1536128, 1815424, 2496208, 4992416, 9984832, 19969664]

約数ペア:

[(1, 19969664), (2, 9984832), (4, 4992416), (8, 2496208), (11, 1815424), (13, 1536128), (16, 1248104), (22, 907712), (26, 768064), (32, 624052), (44, 453856), (52, 384032), (64, 312026), (88, 226928), (104, 192016), (128, 156013), (143, 139648), (176, 113464), (208, 96008), (286, 69824), (352, 56732), (416, 48004), (572, 34912), (704, 28366), (832, 24002), (1091, 18304), (1144, 17456), (1408, 14183), (1664, 12001), (2182, 9152), (2288, 8728), (4364, 4576)]