19774535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 7873465

約数列:

[1, 5, 11, 19, 55, 95, 127, 149, 209, 635, 745, 1045, 1397, 1639, 2413, 2831, 6985, 8195, 12065, 14155, 18923, 26543, 31141, 94615, 132715, 155705, 208153, 359537, 1040765, 1797685, 3954907, 19774535]

約数ペア:

[(1, 19774535), (5, 3954907), (11, 1797685), (19, 1040765), (55, 359537), (95, 208153), (127, 155705), (149, 132715), (209, 94615), (635, 31141), (745, 26543), (1045, 18923), (1397, 14155), (1639, 12065), (2413, 8195), (2831, 6985)]