19299725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 25831680

約数和(自身を除く): 6531955

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 991, 1025, 3895, 4955, 18829, 19475, 24775, 40631, 94145, 203155, 470725, 771989, 1015775, 3859945, 19299725]

約数ペア:

[(1, 19299725), (5, 3859945), (19, 1015775), (25, 771989), (41, 470725), (95, 203155), (205, 94145), (475, 40631), (779, 24775), (991, 19475), (1025, 18829), (3895, 4955)]