19643013

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 11967867

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 293, 351, 573, 879, 1719, 2483, 2637, 3809, 5157, 7449, 7911, 11427, 22347, 34281, 55963, 67041, 102843, 167889, 503667, 727519, 1511001, 2182557, 6547671, 19643013]

約数ペア:

[(1, 19643013), (3, 6547671), (9, 2182557), (13, 1511001), (27, 727519), (39, 503667), (117, 167889), (191, 102843), (293, 67041), (351, 55963), (573, 34281), (879, 22347), (1719, 11427), (2483, 7911), (2637, 7449), (3809, 5157)]