19079885

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 26141184

約数和(自身を除く): 7061299

約数列:

[1, 5, 11, 47, 55, 61, 121, 235, 305, 517, 605, 671, 1331, 2585, 2867, 3355, 5687, 6655, 7381, 14335, 28435, 31537, 36905, 62557, 81191, 157685, 312785, 346907, 405955, 1734535, 3815977, 19079885]

約数ペア:

[(1, 19079885), (5, 3815977), (11, 1734535), (47, 405955), (55, 346907), (61, 312785), (121, 157685), (235, 81191), (305, 62557), (517, 36905), (605, 31537), (671, 28435), (1331, 14335), (2585, 7381), (2867, 6655), (3355, 5687)]