19931475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 35354880

約数和(自身を除く): 15423405

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 197, 213, 285, 355, 475, 591, 985, 1065, 1349, 1425, 1775, 2955, 3743, 4047, 4925, 5325, 6745, 11229, 13987, 14775, 18715, 20235, 33725, 41961, 56145, 69935, 93575, 101175, 209805, 265753, 280725, 349675, 797259, 1049025, 1328765, 3986295, 6643825, 19931475]

約数ペア:

[(1, 19931475), (3, 6643825), (5, 3986295), (15, 1328765), (19, 1049025), (25, 797259), (57, 349675), (71, 280725), (75, 265753), (95, 209805), (197, 101175), (213, 93575), (285, 69935), (355, 56145), (475, 41961), (591, 33725), (985, 20235), (1065, 18715), (1349, 14775), (1425, 13987), (1775, 11229), (2955, 6745), (3743, 5325), (4047, 4925)]