19856410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{677}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 21149030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 677, 838, 1354, 2095, 2933, 3385, 4190, 4739, 5866, 6770, 9478, 14665, 23695, 29330, 47390, 283663, 567326, 1418315, 1985641, 2836630, 3971282, 9928205, 19856410]

約数ペア:

[(1, 19856410), (2, 9928205), (5, 3971282), (7, 2836630), (10, 1985641), (14, 1418315), (35, 567326), (70, 283663), (419, 47390), (677, 29330), (838, 23695), (1354, 14665), (2095, 9478), (2933, 6770), (3385, 5866), (4190, 4739)]