19120665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13538535

約数列:

[1, 3, 5, 15, 17, 51, 85, 167, 255, 449, 501, 835, 1347, 2245, 2505, 2839, 6735, 7633, 8517, 14195, 22899, 38165, 42585, 74983, 114495, 224949, 374915, 1124745, 1274711, 3824133, 6373555, 19120665]

約数ペア:

[(1, 19120665), (3, 6373555), (5, 3824133), (15, 1274711), (17, 1124745), (51, 374915), (85, 224949), (167, 114495), (255, 74983), (449, 42585), (501, 38165), (835, 22899), (1347, 14195), (2245, 8517), (2505, 7633), (2839, 6735)]