19665276

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1657}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 49023744

約数和(自身を除く): 29358468

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1657, 1978, 2967, 3314, 3956, 4971, 5934, 6628, 9942, 11868, 19884, 38111, 71251, 76222, 114333, 142502, 152444, 213753, 228666, 285004, 427506, 457332, 855012, 1638773, 3277546, 4916319, 6555092, 9832638, 19665276]

約数ペア:

[(1, 19665276), (2, 9832638), (3, 6555092), (4, 4916319), (6, 3277546), (12, 1638773), (23, 855012), (43, 457332), (46, 427506), (69, 285004), (86, 228666), (92, 213753), (129, 152444), (138, 142502), (172, 114333), (258, 76222), (276, 71251), (516, 38111), (989, 19884), (1657, 11868), (1978, 9942), (2967, 6628), (3314, 5934), (3956, 4971)]