19944045

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 38630592

約数和(自身を除く): 18686547

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 937, 1419, 1935, 2365, 2811, 4257, 4685, 7095, 8433, 10307, 14055, 21285, 30921, 40291, 42165, 51535, 92763, 120873, 154605, 201455, 362619, 443201, 463815, 604365, 1329603, 1813095, 2216005, 3988809, 6648015, 19944045]

約数ペア:

[(1, 19944045), (3, 6648015), (5, 3988809), (9, 2216005), (11, 1813095), (15, 1329603), (33, 604365), (43, 463815), (45, 443201), (55, 362619), (99, 201455), (129, 154605), (165, 120873), (215, 92763), (387, 51535), (473, 42165), (495, 40291), (645, 30921), (937, 21285), (1419, 14055), (1935, 10307), (2365, 8433), (2811, 7095), (4257, 4685)]