19909737

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3517}}^1$

素因数の和:3577

約数の個数: 24

約数和(自身を含む): 31282056

約数和(自身を除く): 11372319

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3517, 5661, 10551, 31653, 59789, 130129, 179367, 390387, 538101, 1171161, 2212193, 6636579, 19909737]

約数ペア:

[(1, 19909737), (3, 6636579), (9, 2212193), (17, 1171161), (37, 538101), (51, 390387), (111, 179367), (153, 130129), (333, 59789), (629, 31653), (1887, 10551), (3517, 5661)]