18974049

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 25806144

約数和(自身を除く): 6832095

約数列:

[1, 3, 83, 181, 249, 421, 543, 1263, 15023, 34943, 45069, 76201, 104829, 228603, 6324683, 18974049]

約数ペア:

[(1, 18974049), (3, 6324683), (83, 228603), (181, 104829), (249, 76201), (421, 45069), (543, 34943), (1263, 15023)]