18272794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7883}}^1$

素因数の和:7965

約数の個数: 16

約数和(自身を含む): 29328480

約数和(自身を除く): 11055686

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 7883, 15766, 149777, 299554, 480863, 961726, 9136397, 18272794]

約数ペア:

[(1, 18272794), (2, 9136397), (19, 961726), (38, 480863), (61, 299554), (122, 149777), (1159, 15766), (2318, 7883)]