19893621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{35461}}^1$

素因数の和:35492

約数の個数: 16

約数和(自身を含む): 30639168

約数和(自身を除く): 10745547

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 35461, 106383, 390071, 602837, 1170213, 1808511, 6631207, 19893621]

約数ペア:

[(1, 19893621), (3, 6631207), (11, 1808511), (17, 1170213), (33, 602837), (51, 390071), (187, 106383), (561, 35461)]