18307779

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5851}}^1$

素因数の和:6010

約数の個数: 16

約数和(自身を含む): 28089600

約数和(自身を除く): 9781821

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 5851, 17553, 40957, 122871, 871799, 2615397, 6102593, 18307779]

約数ペア:

[(1, 18307779), (3, 6102593), (7, 2615397), (21, 871799), (149, 122871), (447, 40957), (1043, 17553), (3129, 5851)]