19526775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 34640640

約数和(自身を除く): 15113865

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 193, 213, 285, 355, 475, 579, 965, 1065, 1349, 1425, 1775, 2895, 3667, 4047, 4825, 5325, 6745, 11001, 13703, 14475, 18335, 20235, 33725, 41109, 55005, 68515, 91675, 101175, 205545, 260357, 275025, 342575, 781071, 1027725, 1301785, 3905355, 6508925, 19526775]

約数ペア:

[(1, 19526775), (3, 6508925), (5, 3905355), (15, 1301785), (19, 1027725), (25, 781071), (57, 342575), (71, 275025), (75, 260357), (95, 205545), (193, 101175), (213, 91675), (285, 68515), (355, 55005), (475, 41109), (579, 33725), (965, 20235), (1065, 18335), (1349, 14475), (1425, 13703), (1775, 11001), (2895, 6745), (3667, 5325), (4047, 4825)]