20180851215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{665047}}^1$

素因数の和:665096

約数の個数: 48

約数和(自身を含む): 39200589312

約数和(自身を除く): 19019738097

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 867, 1445, 1785, 2023, 4335, 6069, 10115, 30345, 665047, 1995141, 3325235, 4655329, 9975705, 11305799, 13965987, 23276645, 33917397, 56528995, 69829935, 79140593, 169586985, 192198583, 237421779, 395702965, 576595749, 960992915, 1187108895, 1345390081, 2882978745, 4036170243, 6726950405, 20180851215]

約数ペア:

[(1, 20180851215), (3, 6726950405), (5, 4036170243), (7, 2882978745), (15, 1345390081), (17, 1187108895), (21, 960992915), (35, 576595749), (51, 395702965), (85, 237421779), (105, 192198583), (119, 169586985), (255, 79140593), (289, 69829935), (357, 56528995), (595, 33917397), (867, 23276645), (1445, 13965987), (1785, 11305799), (2023, 9975705), (4335, 4655329), (6069, 3325235), (10115, 1995141), (30345, 665047)]