19569584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71947}}^1$

素因数の和:71972

約数の個数: 20

約数和(自身を含む): 40146984

約数和(自身を除く): 20577400

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71947, 143894, 287788, 575576, 1151152, 1223099, 2446198, 4892396, 9784792, 19569584]

約数ペア:

[(1, 19569584), (2, 9784792), (4, 4892396), (8, 2446198), (16, 1223099), (17, 1151152), (34, 575576), (68, 287788), (136, 143894), (272, 71947)]