19930586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17827}}^1$

素因数の和:17885

約数の個数: 16

約数和(自身を含む): 32946144

約数和(自身を除く): 13015558

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17827, 35654, 231751, 463502, 766561, 1533122, 9965293, 19930586]

約数ペア:

[(1, 19930586), (2, 9965293), (13, 1533122), (26, 766561), (43, 463502), (86, 231751), (559, 35654), (1118, 17827)]