19516408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{143503}}^1$

素因数の和:143526

約数の個数: 16

約数和(自身を含む): 38746080

約数和(自身を除く): 19229672

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 143503, 287006, 574012, 1148024, 2439551, 4879102, 9758204, 19516408]

約数ペア:

[(1, 19516408), (2, 9758204), (4, 4879102), (8, 2439551), (17, 1148024), (34, 574012), (68, 287006), (136, 143503)]