18927404

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 34228656

約数和(自身を除く): 15301252

約数列:

[1, 2, 4, 41, 82, 131, 164, 262, 524, 881, 1762, 3524, 5371, 10742, 21484, 36121, 72242, 115411, 144484, 230822, 461644, 4731851, 9463702, 18927404]

約数ペア:

[(1, 18927404), (2, 9463702), (4, 4731851), (41, 461644), (82, 230822), (131, 144484), (164, 115411), (262, 72242), (524, 36121), (881, 21484), (1762, 10742), (3524, 5371)]