18047972985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{476137}}^1$

素因数の和:476190

約数の個数: 48

約数和(自身を含む): 34830446976

約数和(自身を除く): 16782473991

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 1083, 1805, 1995, 2527, 5415, 7581, 12635, 37905, 476137, 1428411, 2380685, 3332959, 7142055, 9046603, 9998877, 16664795, 27139809, 45233015, 49994385, 63326221, 135699045, 171885457, 189978663, 316631105, 515656371, 859427285, 949893315, 1203198199, 2578281855, 3609594597, 6015990995, 18047972985]

約数ペア:

[(1, 18047972985), (3, 6015990995), (5, 3609594597), (7, 2578281855), (15, 1203198199), (19, 949893315), (21, 859427285), (35, 515656371), (57, 316631105), (95, 189978663), (105, 171885457), (133, 135699045), (285, 63326221), (361, 49994385), (399, 45233015), (665, 27139809), (1083, 16664795), (1805, 9998877), (1995, 9046603), (2527, 7142055), (5415, 3332959), (7581, 2380685), (12635, 1428411), (37905, 476137)]