18972603

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 30535680

約数和(自身を除く): 11563077

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 283, 351, 573, 849, 1719, 2483, 2547, 3679, 5157, 7449, 7641, 11037, 22347, 33111, 54053, 67041, 99333, 162159, 486477, 702689, 1459431, 2108067, 6324201, 18972603]

約数ペア:

[(1, 18972603), (3, 6324201), (9, 2108067), (13, 1459431), (27, 702689), (39, 486477), (117, 162159), (191, 99333), (283, 67041), (351, 54053), (573, 33111), (849, 22347), (1719, 11037), (2483, 7641), (2547, 7449), (3679, 5157)]