18281818

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1973}}^1$

素因数の和:2129

約数の個数: 16

約数和(自身を含む): 28354536

約数和(自身を除く): 10072718

約数列:

[1, 2, 41, 82, 113, 226, 1973, 3946, 4633, 9266, 80893, 161786, 222949, 445898, 9140909, 18281818]

約数ペア:

[(1, 18281818), (2, 9140909), (41, 445898), (82, 222949), (113, 161786), (226, 80893), (1973, 9266), (3946, 4633)]