1918745571

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{2113}}^1$

素因数の和:2403

約数の個数: 32

約数和(自身を含む): 2739744000

約数和(自身を除く): 820998429

約数列:

[1, 3, 19, 57, 89, 179, 267, 537, 1691, 2113, 3401, 5073, 6339, 10203, 15931, 40147, 47793, 120441, 188057, 302689, 378227, 564171, 908067, 1134681, 3573083, 7186313, 10719249, 21558939, 33662203, 100986609, 639581857, 1918745571]

約数ペア:

[(1, 1918745571), (3, 639581857), (19, 100986609), (57, 33662203), (89, 21558939), (179, 10719249), (267, 7186313), (537, 3573083), (1691, 1134681), (2113, 908067), (3401, 564171), (5073, 378227), (6339, 302689), (10203, 188057), (15931, 120441), (40147, 47793)]