18441964

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 33339600

約数和(自身を除く): 14897636

約数列:

[1, 2, 4, 41, 82, 139, 164, 278, 556, 809, 1618, 3236, 5699, 11398, 22796, 33169, 66338, 112451, 132676, 224902, 449804, 4610491, 9220982, 18441964]

約数ペア:

[(1, 18441964), (2, 9220982), (4, 4610491), (41, 449804), (82, 224902), (139, 132676), (164, 112451), (278, 66338), (556, 33169), (809, 22796), (1618, 11398), (3236, 5699)]