19389708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3187}}^1$

素因数の和:3223

約数の個数: 54

約数和(自身を含む): 53089764

約数和(自身を除く): 33700056

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3187, 6084, 6374, 9561, 12748, 19122, 28683, 38244, 41431, 57366, 82862, 114732, 124293, 165724, 248586, 372879, 497172, 538603, 745758, 1077206, 1491516, 1615809, 2154412, 3231618, 4847427, 6463236, 9694854, 19389708]

約数ペア:

[(1, 19389708), (2, 9694854), (3, 6463236), (4, 4847427), (6, 3231618), (9, 2154412), (12, 1615809), (13, 1491516), (18, 1077206), (26, 745758), (36, 538603), (39, 497172), (52, 372879), (78, 248586), (117, 165724), (156, 124293), (169, 114732), (234, 82862), (338, 57366), (468, 41431), (507, 38244), (676, 28683), (1014, 19122), (1521, 12748), (2028, 9561), (3042, 6374), (3187, 6084)]