18939272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2593}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 39221280

約数和(自身を除く): 20282008

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2593, 3652, 5186, 7304, 10372, 20744, 28523, 57046, 114092, 215219, 228184, 430438, 860876, 1721752, 2367409, 4734818, 9469636, 18939272]

約数ペア:

[(1, 18939272), (2, 9469636), (4, 4734818), (8, 2367409), (11, 1721752), (22, 860876), (44, 430438), (83, 228184), (88, 215219), (166, 114092), (332, 57046), (664, 28523), (913, 20744), (1826, 10372), (2593, 7304), (3652, 5186)]