18704764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1019}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 35385840

約数和(自身を除く): 16681076

約数列:

[1, 2, 4, 13, 26, 52, 353, 706, 1019, 1412, 2038, 4076, 4589, 9178, 13247, 18356, 26494, 52988, 359707, 719414, 1438828, 4676191, 9352382, 18704764]

約数ペア:

[(1, 18704764), (2, 9352382), (4, 4676191), (13, 1438828), (26, 719414), (52, 359707), (353, 52988), (706, 26494), (1019, 18356), (1412, 13247), (2038, 9178), (4076, 4589)]