17975919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 10812561

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1427, 4199, 4281, 12597, 18551, 24259, 27113, 55653, 72777, 81339, 315367, 352469, 460921, 946101, 1057407, 1382763, 5991973, 17975919]

約数ペア:

[(1, 17975919), (3, 5991973), (13, 1382763), (17, 1057407), (19, 946101), (39, 460921), (51, 352469), (57, 315367), (221, 81339), (247, 72777), (323, 55653), (663, 27113), (741, 24259), (969, 18551), (1427, 12597), (4199, 4281)]