19917354

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{54419}}^1$

素因数の和:54485

約数の個数: 16

約数和(自身を含む): 40488480

約数和(自身を除く): 20571126

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 54419, 108838, 163257, 326514, 3319559, 6639118, 9958677, 19917354]

約数ペア:

[(1, 19917354), (2, 9958677), (3, 6639118), (6, 3319559), (61, 326514), (122, 163257), (183, 108838), (366, 54419)]