19189209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 29562624

約数和(自身を除く): 10373415

約数列:

[1, 3, 13, 17, 39, 51, 103, 221, 281, 309, 663, 843, 1339, 1751, 3653, 4017, 4777, 5253, 10959, 14331, 22763, 28943, 62101, 68289, 86829, 186303, 376259, 492031, 1128777, 1476093, 6396403, 19189209]

約数ペア:

[(1, 19189209), (3, 6396403), (13, 1476093), (17, 1128777), (39, 492031), (51, 376259), (103, 186303), (221, 86829), (281, 68289), (309, 62101), (663, 28943), (843, 22763), (1339, 14331), (1751, 10959), (3653, 5253), (4017, 4777)]