19314568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 45682560

約数和(自身を除く): 26367992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 617, 728, 1118, 1204, 1234, 2236, 2408, 2468, 3913, 4319, 4472, 4936, 7826, 8021, 8638, 15652, 16042, 17276, 26531, 31304, 32084, 34552, 53062, 56147, 64168, 106124, 112294, 185717, 212248, 224588, 344903, 371434, 449176, 689806, 742868, 1379612, 1485736, 2414321, 2759224, 4828642, 9657284, 19314568]

約数ペア:

[(1, 19314568), (2, 9657284), (4, 4828642), (7, 2759224), (8, 2414321), (13, 1485736), (14, 1379612), (26, 742868), (28, 689806), (43, 449176), (52, 371434), (56, 344903), (86, 224588), (91, 212248), (104, 185717), (172, 112294), (182, 106124), (301, 64168), (344, 56147), (364, 53062), (559, 34552), (602, 32084), (617, 31304), (728, 26531), (1118, 17276), (1204, 16042), (1234, 15652), (2236, 8638), (2408, 8021), (2468, 7826), (3913, 4936), (4319, 4472)]