18838557

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2687}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 29352960

約数和(自身を除く): 10514403

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 2687, 7011, 8061, 24183, 51053, 110167, 153159, 330501, 459477, 991503, 2093173, 6279519, 18838557]

約数ペア:

[(1, 18838557), (3, 6279519), (9, 2093173), (19, 991503), (41, 459477), (57, 330501), (123, 153159), (171, 110167), (369, 51053), (779, 24183), (2337, 8061), (2687, 7011)]