19390215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7649}}^1$

素因数の和:7683

約数の個数: 24

約数和(自身を含む): 33598800

約数和(自身を除く): 14208585

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7649, 22947, 38245, 99437, 114735, 298311, 497185, 1292681, 1491555, 3878043, 6463405, 19390215]

約数ペア:

[(1, 19390215), (3, 6463405), (5, 3878043), (13, 1491555), (15, 1292681), (39, 497185), (65, 298311), (169, 114735), (195, 99437), (507, 38245), (845, 22947), (2535, 7649)]