18702982

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 24

約数和(自身を含む): 29885328

約数和(自身を除く): 11182346

約数列:

[1, 2, 31, 37, 62, 74, 263, 526, 961, 1147, 1922, 2294, 8153, 9731, 16306, 19462, 35557, 71114, 252743, 301661, 505486, 603322, 9351491, 18702982]

約数ペア:

[(1, 18702982), (2, 9351491), (31, 603322), (37, 505486), (62, 301661), (74, 252743), (263, 71114), (526, 35557), (961, 19462), (1147, 16306), (1922, 9731), (2294, 8153)]