19985123712

素因数分解:

$2^7\times 3^1\times {\mathrm{101}}^1\times {\mathrm{515293}}^1$

素因数の和:515411

約数の個数: 64

約数和(自身を含む): 53611187760

約数和(自身を除く): 33626064048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 101, 128, 192, 202, 303, 384, 404, 606, 808, 1212, 1616, 2424, 3232, 4848, 6464, 9696, 12928, 19392, 38784, 515293, 1030586, 1545879, 2061172, 3091758, 4122344, 6183516, 8244688, 12367032, 16489376, 24734064, 32978752, 49468128, 52044593, 65957504, 98936256, 104089186, 156133779, 197872512, 208178372, 312267558, 416356744, 624535116, 832713488, 1249070232, 1665426976, 2498140464, 3330853952, 4996280928, 6661707904, 9992561856, 19985123712]

約数ペア:

[(1, 19985123712), (2, 9992561856), (3, 6661707904), (4, 4996280928), (6, 3330853952), (8, 2498140464), (12, 1665426976), (16, 1249070232), (24, 832713488), (32, 624535116), (48, 416356744), (64, 312267558), (96, 208178372), (101, 197872512), (128, 156133779), (192, 104089186), (202, 98936256), (303, 65957504), (384, 52044593), (404, 49468128), (606, 32978752), (808, 24734064), (1212, 16489376), (1616, 12367032), (2424, 8244688), (3232, 6183516), (4848, 4122344), (6464, 3091758), (9696, 2061172), (12928, 1545879), (19392, 1030586), (38784, 515293)]