19759506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 45696000

約数和(自身を除く): 25936494

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 67, 78, 114, 134, 199, 201, 247, 398, 402, 494, 597, 741, 871, 1194, 1273, 1482, 1742, 2546, 2587, 2613, 3781, 3819, 5174, 5226, 7562, 7638, 7761, 11343, 13333, 15522, 16549, 22686, 26666, 33098, 39999, 49153, 49647, 79998, 98306, 99294, 147459, 173329, 253327, 294918, 346658, 506654, 519987, 759981, 1039974, 1519962, 3293251, 6586502, 9879753, 19759506]

約数ペア:

[(1, 19759506), (2, 9879753), (3, 6586502), (6, 3293251), (13, 1519962), (19, 1039974), (26, 759981), (38, 519987), (39, 506654), (57, 346658), (67, 294918), (78, 253327), (114, 173329), (134, 147459), (199, 99294), (201, 98306), (247, 79998), (398, 49647), (402, 49153), (494, 39999), (597, 33098), (741, 26666), (871, 22686), (1194, 16549), (1273, 15522), (1482, 13333), (1742, 11343), (2546, 7761), (2587, 7638), (2613, 7562), (3781, 5226), (3819, 5174)]