19775403

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7603}}^1$

素因数の和:7643

約数の個数: 18

約数和(自身を含む): 30347564

約数和(自身を除く): 10572161

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7603, 22809, 68427, 129251, 387753, 1163259, 2197267, 6591801, 19775403]

約数ペア:

[(1, 19775403), (3, 6591801), (9, 2197267), (17, 1163259), (51, 387753), (153, 129251), (289, 68427), (867, 22809), (2601, 7603)]