19500507

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6173}}^1$

素因数の和:6201

約数の個数: 24

約数和(自身を含む): 31462704

約数和(自身を除く): 11962197

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6173, 18519, 55557, 80249, 166671, 240747, 500013, 722241, 1500039, 2166723, 6500169, 19500507]

約数ペア:

[(1, 19500507), (3, 6500169), (9, 2166723), (13, 1500039), (27, 722241), (39, 500013), (81, 240747), (117, 166671), (243, 80249), (351, 55557), (1053, 18519), (3159, 6173)]