18440972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5903}}^1$

素因数の和:5989

約数の個数: 24

約数和(自身を含む): 35707392

約数和(自身を除く): 17266420

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 5903, 11806, 23612, 64933, 129866, 259732, 419113, 838226, 1676452, 4610243, 9220486, 18440972]

約数ペア:

[(1, 18440972), (2, 9220486), (4, 4610243), (11, 1676452), (22, 838226), (44, 419113), (71, 259732), (142, 129866), (284, 64933), (781, 23612), (1562, 11806), (3124, 5903)]