19661295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 33408000

約数和(自身を除く): 13746705

約数列:

[1, 3, 5, 15, 19, 57, 95, 149, 285, 447, 463, 745, 1389, 2235, 2315, 2831, 6945, 8493, 8797, 14155, 26391, 42465, 43985, 68987, 131955, 206961, 344935, 1034805, 1310753, 3932259, 6553765, 19661295]

約数ペア:

[(1, 19661295), (3, 6553765), (5, 3932259), (15, 1310753), (19, 1034805), (57, 344935), (95, 206961), (149, 131955), (285, 68987), (447, 43985), (463, 42465), (745, 26391), (1389, 14155), (2235, 8797), (2315, 8493), (2831, 6945)]