19880175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2032

約数の個数: 48

約数和(自身を含む): 39560960

約数和(自身を除く): 19680785

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1993, 1995, 3325, 5979, 9965, 9975, 13951, 29895, 37867, 41853, 49825, 69755, 113601, 149475, 189335, 209265, 265069, 348775, 568005, 795207, 946675, 1046325, 1325345, 2840025, 3976035, 6626725, 19880175]

約数ペア:

[(1, 19880175), (3, 6626725), (5, 3976035), (7, 2840025), (15, 1325345), (19, 1046325), (21, 946675), (25, 795207), (35, 568005), (57, 348775), (75, 265069), (95, 209265), (105, 189335), (133, 149475), (175, 113601), (285, 69755), (399, 49825), (475, 41853), (525, 37867), (665, 29895), (1425, 13951), (1993, 9975), (1995, 9965), (3325, 5979)]