19795877504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{19219}}^1$

素因数の和:19865

約数の個数: 64

約数和(自身を含む): 42541548000

約数和(自身を除く): 22745670496

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 619, 832, 1238, 1664, 2476, 4952, 8047, 9904, 16094, 19219, 19808, 32188, 38438, 39616, 64376, 76876, 79232, 128752, 153752, 249847, 257504, 307504, 499694, 515008, 615008, 999388, 1030016, 1230016, 1998776, 2460032, 3997552, 7995104, 11896561, 15990208, 23793122, 31980416, 47586244, 95172488, 154655293, 190344976, 309310586, 380689952, 618621172, 761379904, 1237242344, 1522759808, 2474484688, 4948969376, 9897938752, 19795877504]

約数ペア:

[(1, 19795877504), (2, 9897938752), (4, 4948969376), (8, 2474484688), (13, 1522759808), (16, 1237242344), (26, 761379904), (32, 618621172), (52, 380689952), (64, 309310586), (104, 190344976), (128, 154655293), (208, 95172488), (416, 47586244), (619, 31980416), (832, 23793122), (1238, 15990208), (1664, 11896561), (2476, 7995104), (4952, 3997552), (8047, 2460032), (9904, 1998776), (16094, 1230016), (19219, 1030016), (19808, 999388), (32188, 615008), (38438, 515008), (39616, 499694), (64376, 307504), (76876, 257504), (79232, 249847), (128752, 153752)]