17965868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6389}}^1$

素因数の和:6449

約数の個数: 24

約数和(自身を含む): 33994800

約数和(自身を除く): 16028932

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 6389, 12778, 25556, 121391, 236393, 242782, 472786, 485564, 945572, 4491467, 8982934, 17965868]

約数ペア:

[(1, 17965868), (2, 8982934), (4, 4491467), (19, 945572), (37, 485564), (38, 472786), (74, 242782), (76, 236393), (148, 121391), (703, 25556), (1406, 12778), (2812, 6389)]