19493838

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3967}}^1$

素因数の和:3998

約数の個数: 64

約数和(自身を含む): 53329920

約数和(自身を除く): 33836082

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 3967, 4914, 7934, 11901, 23802, 27769, 35703, 51571, 55538, 71406, 83307, 103142, 107109, 154713, 166614, 214218, 249921, 309426, 360997, 464139, 499842, 721994, 749763, 928278, 1082991, 1392417, 1499526, 2165982, 2784834, 3248973, 6497946, 9746919, 19493838]

約数ペア:

[(1, 19493838), (2, 9746919), (3, 6497946), (6, 3248973), (7, 2784834), (9, 2165982), (13, 1499526), (14, 1392417), (18, 1082991), (21, 928278), (26, 749763), (27, 721994), (39, 499842), (42, 464139), (54, 360997), (63, 309426), (78, 249921), (91, 214218), (117, 166614), (126, 154713), (182, 107109), (189, 103142), (234, 83307), (273, 71406), (351, 55538), (378, 51571), (546, 35703), (702, 27769), (819, 23802), (1638, 11901), (2457, 7934), (3967, 4914)]