19689592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2281}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 40254480

約数和(自身を除く): 20564888

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2281, 4316, 4562, 8632, 9124, 18248, 29653, 59306, 118612, 189323, 237224, 378646, 757292, 1514584, 2461199, 4922398, 9844796, 19689592]

約数ペア:

[(1, 19689592), (2, 9844796), (4, 4922398), (8, 2461199), (13, 1514584), (26, 757292), (52, 378646), (83, 237224), (104, 189323), (166, 118612), (332, 59306), (664, 29653), (1079, 18248), (2158, 9124), (2281, 8632), (4316, 4562)]