19649682

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 29460078

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1217, 1242, 1794, 2434, 2691, 3651, 5382, 7302, 8073, 10953, 15821, 16146, 21906, 27991, 31642, 32859, 47463, 55982, 65718, 83973, 94926, 142389, 167946, 251919, 284778, 363883, 427167, 503838, 727766, 755757, 854334, 1091649, 1511514, 2183298, 3274947, 6549894, 9824841, 19649682]

約数ペア:

[(1, 19649682), (2, 9824841), (3, 6549894), (6, 3274947), (9, 2183298), (13, 1511514), (18, 1091649), (23, 854334), (26, 755757), (27, 727766), (39, 503838), (46, 427167), (54, 363883), (69, 284778), (78, 251919), (117, 167946), (138, 142389), (207, 94926), (234, 83973), (299, 65718), (351, 55982), (414, 47463), (598, 32859), (621, 31642), (702, 27991), (897, 21906), (1217, 16146), (1242, 15821), (1794, 10953), (2434, 8073), (2691, 7302), (3651, 5382)]