19281678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{247201}}^1$

素因数の和:247219

約数の個数: 16

約数和(自身を含む): 41529936

約数和(自身を除く): 22248258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 247201, 494402, 741603, 1483206, 3213613, 6427226, 9640839, 19281678]

約数ペア:

[(1, 19281678), (2, 9640839), (3, 6427226), (6, 3213613), (13, 1483206), (26, 741603), (39, 494402), (78, 247201)]