19965351

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{5693}}^1$

素因数の和:5870

約数の個数: 16

約数和(自身を含む): 30610944

約数和(自身を除く): 10645593

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 5693, 17079, 39851, 119553, 950731, 2852193, 6655117, 19965351]

約数ペア:

[(1, 19965351), (3, 6655117), (7, 2852193), (21, 950731), (167, 119553), (501, 39851), (1169, 17079), (3507, 5693)]