18647109

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3391}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 29632512

約数和(自身を除く): 10985403

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3391, 5499, 10173, 30519, 44083, 132249, 159377, 396747, 478131, 1434393, 2071901, 6215703, 18647109]

約数ペア:

[(1, 18647109), (3, 6215703), (9, 2071901), (13, 1434393), (39, 478131), (47, 396747), (117, 159377), (141, 132249), (423, 44083), (611, 30519), (1833, 10173), (3391, 5499)]