18678738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2371}}^1$

素因数の和:2490

約数の個数: 32

約数和(自身を含む): 40646592

約数和(自身を除く): 21967854

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2371, 2626, 3939, 4742, 7113, 7878, 14226, 30823, 61646, 92469, 184938, 239471, 478942, 718413, 1436826, 3113123, 6226246, 9339369, 18678738]

約数ペア:

[(1, 18678738), (2, 9339369), (3, 6226246), (6, 3113123), (13, 1436826), (26, 718413), (39, 478942), (78, 239471), (101, 184938), (202, 92469), (303, 61646), (606, 30823), (1313, 14226), (2371, 7878), (2626, 7113), (3939, 4742)]