19282775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 24998400

約数和(自身を除く): 5715625

約数列:

[1, 5, 25, 31, 139, 155, 179, 695, 775, 895, 3475, 4309, 4475, 5549, 21545, 24881, 27745, 107725, 124405, 138725, 622025, 771311, 3856555, 19282775]

約数ペア:

[(1, 19282775), (5, 3856555), (25, 771311), (31, 622025), (139, 138725), (155, 124405), (179, 107725), (695, 27745), (775, 24881), (895, 21545), (3475, 5549), (4309, 4475)]