18927545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 10683463

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2447, 7735, 12235, 17129, 31811, 41599, 85645, 159055, 207995, 222677, 291193, 540787, 1113385, 1455965, 2703935, 3785509, 18927545]

約数ペア:

[(1, 18927545), (5, 3785509), (7, 2703935), (13, 1455965), (17, 1113385), (35, 540787), (65, 291193), (85, 222677), (91, 207995), (119, 159055), (221, 85645), (455, 41599), (595, 31811), (1105, 17129), (1547, 12235), (2447, 7735)]