19099504

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 38247552

約数和(自身を除く): 19148048

約数列:

[1, 2, 4, 8, 16, 53, 101, 106, 202, 212, 223, 404, 424, 446, 808, 848, 892, 1616, 1784, 3568, 5353, 10706, 11819, 21412, 22523, 23638, 42824, 45046, 47276, 85648, 90092, 94552, 180184, 189104, 360368, 1193719, 2387438, 4774876, 9549752, 19099504]

約数ペア:

[(1, 19099504), (2, 9549752), (4, 4774876), (8, 2387438), (16, 1193719), (53, 360368), (101, 189104), (106, 180184), (202, 94552), (212, 90092), (223, 85648), (404, 47276), (424, 45046), (446, 42824), (808, 23638), (848, 22523), (892, 21412), (1616, 11819), (1784, 10706), (3568, 5353)]