19408218

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^2\times {\mathrm{607}}^1$

素因数の和:758

約数の個数: 24

約数和(自身を含む): 39420288

約数和(自身を除く): 20012070

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 607, 1214, 1821, 3642, 5329, 10658, 15987, 31974, 44311, 88622, 132933, 265866, 3234703, 6469406, 9704109, 19408218]

約数ペア:

[(1, 19408218), (2, 9704109), (3, 6469406), (6, 3234703), (73, 265866), (146, 132933), (219, 88622), (438, 44311), (607, 31974), (1214, 15987), (1821, 10658), (3642, 5329)]