19947417

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41299}}^1$

素因数の和:41332

約数の個数: 16

約数和(自身を含む): 31718400

約数和(自身を除く): 11770983

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41299, 123897, 289093, 867279, 949877, 2849631, 6649139, 19947417]

約数ペア:

[(1, 19947417), (3, 6649139), (7, 2849631), (21, 949877), (23, 867279), (69, 289093), (161, 123897), (483, 41299)]