19380770

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 16423390

約数列:

[1, 2, 5, 10, 73, 139, 146, 191, 278, 365, 382, 695, 730, 955, 1390, 1910, 10147, 13943, 20294, 26549, 27886, 50735, 53098, 69715, 101470, 132745, 139430, 265490, 1938077, 3876154, 9690385, 19380770]

約数ペア:

[(1, 19380770), (2, 9690385), (5, 3876154), (10, 1938077), (73, 265490), (139, 139430), (146, 132745), (191, 101470), (278, 69715), (365, 53098), (382, 50735), (695, 27886), (730, 26549), (955, 20294), (1390, 13943), (1910, 10147)]