18429424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 38716272

約数和(自身を除く): 20286848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 251, 353, 502, 706, 1004, 1412, 2008, 2824, 3263, 4016, 4589, 5648, 6526, 9178, 13052, 18356, 26104, 36712, 52208, 73424, 88603, 177206, 354412, 708824, 1151839, 1417648, 2303678, 4607356, 9214712, 18429424]

約数ペア:

[(1, 18429424), (2, 9214712), (4, 4607356), (8, 2303678), (13, 1417648), (16, 1151839), (26, 708824), (52, 354412), (104, 177206), (208, 88603), (251, 73424), (353, 52208), (502, 36712), (706, 26104), (1004, 18356), (1412, 13052), (2008, 9178), (2824, 6526), (3263, 5648), (4016, 4589)]