19639341

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6553}}^1$

素因数の和:6602

約数の個数: 20

約数和(自身を含む): 30135292

約数和(自身を除く): 10495951

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6553, 19659, 58977, 176931, 242461, 530793, 727383, 2182149, 6546447, 19639341]

約数ペア:

[(1, 19639341), (3, 6546447), (9, 2182149), (27, 727383), (37, 530793), (81, 242461), (111, 176931), (333, 58977), (999, 19659), (2997, 6553)]