18671718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 24793242

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 78, 86, 114, 129, 247, 258, 293, 494, 559, 586, 741, 817, 879, 1118, 1482, 1634, 1677, 1758, 2451, 3354, 3809, 4902, 5567, 7618, 10621, 11134, 11427, 12599, 16701, 21242, 22854, 25198, 31863, 33402, 37797, 63726, 72371, 75594, 144742, 163787, 217113, 239381, 327574, 434226, 478762, 491361, 718143, 982722, 1436286, 3111953, 6223906, 9335859, 18671718]

約数ペア:

[(1, 18671718), (2, 9335859), (3, 6223906), (6, 3111953), (13, 1436286), (19, 982722), (26, 718143), (38, 491361), (39, 478762), (43, 434226), (57, 327574), (78, 239381), (86, 217113), (114, 163787), (129, 144742), (247, 75594), (258, 72371), (293, 63726), (494, 37797), (559, 33402), (586, 31863), (741, 25198), (817, 22854), (879, 21242), (1118, 16701), (1482, 12599), (1634, 11427), (1677, 11134), (1758, 10621), (2451, 7618), (3354, 5567), (3809, 4902)]