19368315

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 17322885

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 839, 855, 1215, 1539, 2517, 2565, 4195, 4617, 7551, 7695, 12585, 15941, 22653, 23085, 37755, 47823, 67959, 79705, 113265, 143469, 203877, 239115, 339795, 430407, 717345, 1019385, 1291221, 2152035, 3873663, 6456105, 19368315]

約数ペア:

[(1, 19368315), (3, 6456105), (5, 3873663), (9, 2152035), (15, 1291221), (19, 1019385), (27, 717345), (45, 430407), (57, 339795), (81, 239115), (95, 203877), (135, 143469), (171, 113265), (243, 79705), (285, 67959), (405, 47823), (513, 37755), (839, 23085), (855, 22653), (1215, 15941), (1539, 12585), (2517, 7695), (2565, 7551), (4195, 4617)]