19994325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20507}}^1$

素因数の和:20533

約数の個数: 24

約数和(自身を含む): 35601888

約数和(自身を除く): 15607563

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20507, 61521, 102535, 266591, 307605, 512675, 799773, 1332955, 1538025, 3998865, 6664775, 19994325]

約数ペア:

[(1, 19994325), (3, 6664775), (5, 3998865), (13, 1538025), (15, 1332955), (25, 799773), (39, 512675), (65, 307605), (75, 266591), (195, 102535), (325, 61521), (975, 20507)]