19306105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 28804608

約数和(自身を除く): 9498503

約数列:

[1, 5, 7, 13, 35, 65, 91, 151, 281, 455, 755, 1057, 1405, 1963, 1967, 3653, 5285, 9815, 9835, 13741, 18265, 25571, 42431, 68705, 127855, 212155, 297017, 551603, 1485085, 2758015, 3861221, 19306105]

約数ペア:

[(1, 19306105), (5, 3861221), (7, 2758015), (13, 1485085), (35, 551603), (65, 297017), (91, 212155), (151, 127855), (281, 68705), (455, 42431), (755, 25571), (1057, 18265), (1405, 13741), (1963, 9835), (1967, 9815), (3653, 5285)]