18647984

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{1621}}^1$

素因数の和:2348

約数の個数: 20

約数和(自身を含む): 36203040

約数和(自身を除く): 17555056

約数列:

[1, 2, 4, 8, 16, 719, 1438, 1621, 2876, 3242, 5752, 6484, 11504, 12968, 25936, 1165499, 2330998, 4661996, 9323992, 18647984]

約数ペア:

[(1, 18647984), (2, 9323992), (4, 4661996), (8, 2330998), (16, 1165499), (719, 25936), (1438, 12968), (1621, 11504), (2876, 6484), (3242, 5752)]