19479519

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 28894320

約数和(自身を除く): 9414801

約数列:

[1, 3, 9, 83, 89, 249, 267, 293, 747, 801, 879, 2637, 7387, 22161, 24319, 26077, 66483, 72957, 78231, 218871, 234693, 2164391, 6493173, 19479519]

約数ペア:

[(1, 19479519), (3, 6493173), (9, 2164391), (83, 234693), (89, 218871), (249, 78231), (267, 72957), (293, 66483), (747, 26077), (801, 24319), (879, 22161), (2637, 7387)]