19556418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9907}}^1$

素因数の和:9966

約数の個数: 32

約数和(自身を含む): 45656064

約数和(自身を除く): 26099646

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 9907, 19814, 29721, 59442, 69349, 138698, 208047, 416094, 465629, 931258, 1396887, 2793774, 3259403, 6518806, 9778209, 19556418]

約数ペア:

[(1, 19556418), (2, 9778209), (3, 6518806), (6, 3259403), (7, 2793774), (14, 1396887), (21, 931258), (42, 465629), (47, 416094), (94, 208047), (141, 138698), (282, 69349), (329, 59442), (658, 29721), (987, 19814), (1974, 9907)]