19712758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 34122816

約数和(自身を除く): 14410058

約数列:

[1, 2, 13, 17, 26, 34, 103, 206, 221, 433, 442, 866, 1339, 1751, 2678, 3502, 5629, 7361, 11258, 14722, 22763, 44599, 45526, 89198, 95693, 191386, 579787, 758183, 1159574, 1516366, 9856379, 19712758]

約数ペア:

[(1, 19712758), (2, 9856379), (13, 1516366), (17, 1159574), (26, 758183), (34, 579787), (103, 191386), (206, 95693), (221, 89198), (433, 45526), (442, 44599), (866, 22763), (1339, 14722), (1751, 11258), (2678, 7361), (3502, 5629)]