19660305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1657}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 36290304

約数和(自身を除く): 16629999

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 113, 339, 565, 791, 1657, 1695, 2373, 3955, 4971, 8285, 11599, 11865, 24855, 34797, 57995, 173985, 187241, 561723, 936205, 1310687, 2808615, 3932061, 6553435, 19660305]

約数ペア:

[(1, 19660305), (3, 6553435), (5, 3932061), (7, 2808615), (15, 1310687), (21, 936205), (35, 561723), (105, 187241), (113, 173985), (339, 57995), (565, 34797), (791, 24855), (1657, 11865), (1695, 11599), (2373, 8285), (3955, 4971)]