19694418

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{7477}}^1$

素因数の和:7921

約数の個数: 16

約数和(自身を含む): 39483840

約数和(自身を除く): 19789422

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 7477, 14954, 22431, 44862, 3282403, 6564806, 9847209, 19694418]

約数ペア:

[(1, 19694418), (2, 9847209), (3, 6564806), (6, 3282403), (439, 44862), (878, 22431), (1317, 14954), (2634, 7477)]