19421072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6491}}^1$

素因数の和:6527

約数の個数: 40

約数和(自身を含む): 43470432

約数和(自身を除く): 24049360

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6491, 12982, 25964, 51928, 71401, 103856, 110347, 142802, 220694, 285604, 441388, 571208, 882776, 1142416, 1213817, 1765552, 2427634, 4855268, 9710536, 19421072]

約数ペア:

[(1, 19421072), (2, 9710536), (4, 4855268), (8, 2427634), (11, 1765552), (16, 1213817), (17, 1142416), (22, 882776), (34, 571208), (44, 441388), (68, 285604), (88, 220694), (136, 142802), (176, 110347), (187, 103856), (272, 71401), (374, 51928), (748, 25964), (1496, 12982), (2992, 6491)]