19534768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6529}}^1$

素因数の和:6565

約数の個数: 40

約数和(自身を含む): 43724880

約数和(自身を除く): 24190112

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6529, 13058, 26116, 52232, 71819, 104464, 110993, 143638, 221986, 287276, 443972, 574552, 887944, 1149104, 1220923, 1775888, 2441846, 4883692, 9767384, 19534768]

約数ペア:

[(1, 19534768), (2, 9767384), (4, 4883692), (8, 2441846), (11, 1775888), (16, 1220923), (17, 1149104), (22, 887944), (34, 574552), (44, 443972), (68, 287276), (88, 221986), (136, 143638), (176, 110993), (187, 104464), (272, 71819), (374, 52232), (748, 26116), (1496, 13058), (2992, 6529)]