19699190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{811}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 40690944

約数和(自身を除く): 20991754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 811, 1622, 1735, 2429, 3470, 4055, 4858, 5677, 8110, 11354, 12145, 24290, 28385, 56770, 281417, 562834, 1407085, 1969919, 2814170, 3939838, 9849595, 19699190]

約数ペア:

[(1, 19699190), (2, 9849595), (5, 3939838), (7, 2814170), (10, 1969919), (14, 1407085), (35, 562834), (70, 281417), (347, 56770), (694, 28385), (811, 24290), (1622, 12145), (1735, 11354), (2429, 8110), (3470, 5677), (4055, 4858)]