18991170082

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{1531}}^1\times {\mathrm{78509}}^1$

素因数の和:80121

約数の個数: 16

約数和(自身を含む): 28866556800

約数和(自身を除く): 9875386718

約数列:

[1, 2, 79, 158, 1531, 3062, 78509, 120949, 157018, 241898, 6202211, 12404422, 120197279, 240394558, 9495585041, 18991170082]

約数ペア:

[(1, 18991170082), (2, 9495585041), (79, 240394558), (158, 120197279), (1531, 12404422), (3062, 6202211), (78509, 241898), (120949, 157018)]