19220795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 27158976

約数和(自身を除く): 7938181

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 305, 337, 671, 935, 1037, 1685, 3355, 3707, 5185, 5729, 11407, 18535, 20557, 28645, 57035, 63019, 102785, 226127, 315095, 349469, 1130635, 1747345, 3844159, 19220795]

約数ペア:

[(1, 19220795), (5, 3844159), (11, 1747345), (17, 1130635), (55, 349469), (61, 315095), (85, 226127), (187, 102785), (305, 63019), (337, 57035), (671, 28645), (935, 20557), (1037, 18535), (1685, 11407), (3355, 5729), (3707, 5185)]