19568955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 39951360

約数和(自身を除く): 20382405

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 255, 285, 323, 357, 399, 577, 595, 665, 969, 1615, 1731, 1785, 1995, 2261, 2885, 4039, 4845, 6783, 8655, 9809, 10963, 11305, 12117, 20195, 29427, 32889, 33915, 49045, 54815, 60585, 68663, 76741, 147135, 164445, 186371, 205989, 230223, 343315, 383705, 559113, 931855, 1029945, 1151115, 1304597, 2795565, 3913791, 6522985, 19568955]

約数ペア:

[(1, 19568955), (3, 6522985), (5, 3913791), (7, 2795565), (15, 1304597), (17, 1151115), (19, 1029945), (21, 931855), (35, 559113), (51, 383705), (57, 343315), (85, 230223), (95, 205989), (105, 186371), (119, 164445), (133, 147135), (255, 76741), (285, 68663), (323, 60585), (357, 54815), (399, 49045), (577, 33915), (595, 32889), (665, 29427), (969, 20195), (1615, 12117), (1731, 11305), (1785, 10963), (1995, 9809), (2261, 8655), (2885, 6783), (4039, 4845)]