19811241

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 29896776

約数和(自身を除く): 10085535

約数列:

[1, 3, 9, 41, 53, 123, 159, 369, 477, 1013, 2173, 3039, 6519, 9117, 19557, 41533, 53689, 124599, 161067, 373797, 483201, 2201249, 6603747, 19811241]

約数ペア:

[(1, 19811241), (3, 6603747), (9, 2201249), (41, 483201), (53, 373797), (123, 161067), (159, 124599), (369, 53689), (477, 41533), (1013, 19557), (2173, 9117), (3039, 6519)]